From aba6864dffb068d791db09648ebdbc9b3499fe0d Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:00:59 -0500
Subject: [PATCH 1/9] Deprecate Index.dtype_str

---
 doc/source/whatsnew/v0.25.0.rst            |  2 ++
 pandas/core/indexes/base.py                |  5 +++++
 pandas/tests/indexes/multi/test_format.py  |  7 ++++---
 pandas/tests/indexes/period/test_period.py | 14 ++++++++------
 pandas/tests/indexes/test_common.py        |  7 ++++---
 5 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index 1fe808e098860..b1916c9602f06 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -604,6 +604,8 @@ Other deprecations
 - The :meth:`Series.ftype`, :meth:`Series.ftypes` and :meth:`DataFrame.ftypes` methods are deprecated and will be removed in a future version.
   Instead, use :meth:`Series.dtype` and :meth:`DataFrame.dtypes` (:issue:`26705`).
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
+- :attr:`Index.dtype_str` is deprecated. (:issue:``)
+- 
 
 .. _whatsnew_0250.prior_deprecations:
 
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index cb5b4a6c8993c..9a1019cfb6897 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -690,7 +690,12 @@ def dtype(self):
     def dtype_str(self):
         """
         Return the dtype str of the underlying data.
+
+        .. deprecated:: 0.25.0
         """
+        warnings.warn('`dtype_str` has been deprecated. Call `str` on the '
+                      'dtype attribute instead.', DeprecationWarning,
+                      stacklevel=2)
         return str(self.dtype)
 
     def ravel(self, order='C'):
diff --git a/pandas/tests/indexes/multi/test_format.py b/pandas/tests/indexes/multi/test_format.py
index 8315478d85125..312ebf2a5d973 100644
--- a/pandas/tests/indexes/multi/test_format.py
+++ b/pandas/tests/indexes/multi/test_format.py
@@ -8,9 +8,10 @@
 
 
 def test_dtype_str(indices):
-    dtype = indices.dtype_str
-    assert isinstance(dtype, str)
-    assert dtype == str(indices.dtype)
+    with tm.assert_produces_warning(DeprecationWarning):
+        dtype = indices.dtype_str
+        assert isinstance(dtype, str)
+        assert dtype == str(indices.dtype)
 
 
 def test_format(idx):
diff --git a/pandas/tests/indexes/period/test_period.py b/pandas/tests/indexes/period/test_period.py
index 2f3f15101e7ca..681497cfe2706 100644
--- a/pandas/tests/indexes/period/test_period.py
+++ b/pandas/tests/indexes/period/test_period.py
@@ -132,12 +132,14 @@ def test_shallow_copy_changing_freq_raises(self):
 
     def test_dtype_str(self):
         pi = pd.PeriodIndex([], freq='M')
-        assert pi.dtype_str == 'period[M]'
-        assert pi.dtype_str == str(pi.dtype)
-
-        pi = pd.PeriodIndex([], freq='3M')
-        assert pi.dtype_str == 'period[3M]'
-        assert pi.dtype_str == str(pi.dtype)
+        with tm.assert_produces_warning(DeprecationWarning):
+            assert pi.dtype_str == 'period[M]'
+            assert pi.dtype_str == str(pi.dtype)
+
+        with tm.assert_produces_warning(DeprecationWarning):
+            pi = pd.PeriodIndex([], freq='3M')
+            assert pi.dtype_str == 'period[3M]'
+            assert pi.dtype_str == str(pi.dtype)
 
     def test_view_asi8(self):
         idx = pd.PeriodIndex([], freq='M')
diff --git a/pandas/tests/indexes/test_common.py b/pandas/tests/indexes/test_common.py
index 451fb2ed7906d..c60b31e06f643 100644
--- a/pandas/tests/indexes/test_common.py
+++ b/pandas/tests/indexes/test_common.py
@@ -155,9 +155,10 @@ def test_set_name_methods(self, indices):
         assert indices.names == [name]
 
     def test_dtype_str(self, indices):
-        dtype = indices.dtype_str
-        assert isinstance(dtype, str)
-        assert dtype == str(indices.dtype)
+        with tm.assert_produces_warning(DeprecationWarning):
+            dtype = indices.dtype_str
+            assert isinstance(dtype, str)
+            assert dtype == str(indices.dtype)
 
     def test_hash_error(self, indices):
         index = indices

From b9f21f3a380e77de359a1131dc659aa6d16a42a2 Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:22:24 -0500
Subject: [PATCH 2/9] Remove imag/real

---
 doc/source/whatsnew/v0.25.0.rst    |  2 +-
 pandas/core/nanops.py              |  2 +-
 pandas/core/series.py              |  8 ++++++++
 pandas/core/util/hashing.py        |  2 +-
 pandas/io/packers.py               |  8 ++++----
 pandas/tests/series/test_dtypes.py | 14 ++++++++++----
 pandas/tests/test_nanops.py        |  4 ++--
 7 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index b1916c9602f06..8220f8979ee86 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -605,7 +605,7 @@ Other deprecations
   Instead, use :meth:`Series.dtype` and :meth:`DataFrame.dtypes` (:issue:`26705`).
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
 - :attr:`Index.dtype_str` is deprecated. (:issue:``)
-- 
+-
 
 .. _whatsnew_0250.prior_deprecations:
 
diff --git a/pandas/core/nanops.py b/pandas/core/nanops.py
index 834a3bc3d8bbb..cc8b241bedba1 100644
--- a/pandas/core/nanops.py
+++ b/pandas/core/nanops.py
@@ -1275,7 +1275,7 @@ def _ensure_numeric(x):
             except (TypeError, ValueError):
                 x = x.astype(np.float64)
             else:
-                if not np.any(x.imag):
+                if not np.any(np.imag(x)):
                     x = x.real
     elif not (is_float(x) or is_integer(x) or is_complex(x)):
         try:
diff --git a/pandas/core/series.py b/pandas/core/series.py
index 730a96f5435a1..813dc21148ec6 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -793,7 +793,11 @@ def __array_prepare__(self, result, context=None):
     def real(self):
         """
         Return the real value of vector.
+
+        .. deprecated 0.25.0
         """
+        warnings.warn("`real` has be deprecated and will be removed in a "
+                      "future verison", DeprecationWarning, stacklevel=2)
         return self.values.real
 
     @real.setter
@@ -804,7 +808,11 @@ def real(self, v):
     def imag(self):
         """
         Return imag value of vector.
+
+        .. deprecated 0.25.0
         """
+        warnings.warn("`imag` has be deprecated and will be removed in a "
+                      "future verison", DeprecationWarning, stacklevel=2)
         return self.values.imag
 
     @imag.setter
diff --git a/pandas/core/util/hashing.py b/pandas/core/util/hashing.py
index 93074f5afa2b3..a916f2f06df21 100644
--- a/pandas/core/util/hashing.py
+++ b/pandas/core/util/hashing.py
@@ -269,7 +269,7 @@ def hash_array(vals, encoding='utf8', hash_key=None, categorize=True):
     # we'll be working with everything as 64-bit values, so handle this
     # 128-bit value early
     if np.issubdtype(dtype, np.complex128):
-        return hash_array(vals.real) + 23 * hash_array(vals.imag)
+        return hash_array(np.real(vals)) + 23 * hash_array(np.imag(vals))
 
     # First, turn whatever array this is into unsigned 64-bit ints, if we can
     # manage it.
diff --git a/pandas/io/packers.py b/pandas/io/packers.py
index 4a273bfe2decb..cef0af3edbb20 100644
--- a/pandas/io/packers.py
+++ b/pandas/io/packers.py
@@ -523,16 +523,16 @@ def encode(obj):
             return {'typ': 'np_scalar',
                     'sub_typ': 'np_complex',
                     'dtype': obj.dtype.name,
-                    'real': obj.real.__repr__(),
-                    'imag': obj.imag.__repr__()}
+                    'real': np.real(obj).__repr__(),
+                    'imag': np.imag(obj).__repr__()}
         else:
             return {'typ': 'np_scalar',
                     'dtype': obj.dtype.name,
                     'data': obj.__repr__()}
     elif isinstance(obj, complex):
         return {'typ': 'np_complex',
-                'real': obj.real.__repr__(),
-                'imag': obj.imag.__repr__()}
+                'real': np.real(obj).__repr__(),
+                'imag': np.imag(obj).__repr__()}
 
     return obj
 
diff --git a/pandas/tests/series/test_dtypes.py b/pandas/tests/series/test_dtypes.py
index 392163228398b..0d0cee79fcf5a 100644
--- a/pandas/tests/series/test_dtypes.py
+++ b/pandas/tests/series/test_dtypes.py
@@ -433,12 +433,18 @@ def test_complex(self):
         a = np.arange(5, dtype=np.float64)
         b = Series(a + 4j * a)
 
-        tm.assert_numpy_array_equal(a, b.real)
-        tm.assert_numpy_array_equal(4 * a, b.imag)
+        tm.assert_numpy_array_equal(a, np.real(b))
+        tm.assert_numpy_array_equal(4 * a, np.imag(b))
 
         b.real = np.arange(5) + 5
-        tm.assert_numpy_array_equal(a + 5, b.real)
-        tm.assert_numpy_array_equal(4 * a, b.imag)
+        tm.assert_numpy_array_equal(a + 5, np.real(b))
+        tm.assert_numpy_array_equal(4 * a, np.imag(b))
+
+    def test_real_imag_deprecated(self):
+        s = pd.Series([1])
+        with tm.assert_produces_warning(DeprecationWarning):
+            s.imag
+            s.real
 
     def test_arg_for_errors_in_astype(self):
         # see gh-14878
diff --git a/pandas/tests/test_nanops.py b/pandas/tests/test_nanops.py
index ad035f9c0158d..6e7b34a0632ad 100644
--- a/pandas/tests/test_nanops.py
+++ b/pandas/tests/test_nanops.py
@@ -144,9 +144,9 @@ def _coerce_tds(targ, res):
             # but nanops doesn't, so make that an exception
             elif targ.dtype.kind == 'O':
                 raise
-            tm.assert_almost_equal(targ.real, res.real,
+            tm.assert_almost_equal(np.real(targ), np.real(res),
                                    check_dtype=check_dtype)
-            tm.assert_almost_equal(targ.imag, res.imag,
+            tm.assert_almost_equal(np.imag(targ), np.imag(res),
                                    check_dtype=check_dtype)
 
     def check_fun_data(self, testfunc, targfunc, testarval, targarval,

From d5e619d8de3b491c6a78615f2687febff520b55f Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:36:51 -0500
Subject: [PATCH 3/9] filterwarning in a test

---
 pandas/tests/series/test_dtypes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pandas/tests/series/test_dtypes.py b/pandas/tests/series/test_dtypes.py
index 0d0cee79fcf5a..1c1e75ef2f7cc 100644
--- a/pandas/tests/series/test_dtypes.py
+++ b/pandas/tests/series/test_dtypes.py
@@ -428,6 +428,7 @@ def test_astype_empty_constructor_equality(self, dtype):
             as_type_empty = Series([]).astype(dtype)
             tm.assert_series_equal(init_empty, as_type_empty)
 
+    @pytest.mark.filterwarnings('ignore::DeprecationWarning')
     def test_complex(self):
         # see gh-4819: complex access for ndarray compat
         a = np.arange(5, dtype=np.float64)

From 9c9dfae61121462e9d65d463d4d7e48ab380e643 Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:38:22 -0500
Subject: [PATCH 4/9] add whatsnew for real and imag

---
 doc/source/whatsnew/v0.25.0.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index 8220f8979ee86..c7a86e6c45670 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -605,7 +605,7 @@ Other deprecations
   Instead, use :meth:`Series.dtype` and :meth:`DataFrame.dtypes` (:issue:`26705`).
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
 - :attr:`Index.dtype_str` is deprecated. (:issue:``)
--
+- :attr:`Series.imag` and :attr:`Series.real` is deprecated. (:issue:``)
 
 .. _whatsnew_0250.prior_deprecations:
 

From f96f415dc078d70d399563c51ba3c9d9786146d6 Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:46:28 -0500
Subject: [PATCH 5/9] Deprecate Series.put

---
 doc/source/whatsnew/v0.25.0.rst       | 1 +
 pandas/core/series.py                 | 4 ++++
 pandas/tests/series/test_internals.py | 6 ++++++
 3 files changed, 11 insertions(+)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index c7a86e6c45670..b7847865e97c9 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -606,6 +606,7 @@ Other deprecations
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
 - :attr:`Index.dtype_str` is deprecated. (:issue:``)
 - :attr:`Series.imag` and :attr:`Series.real` is deprecated. (:issue:``)
+- :meth:`Series.put` is deprecated. (:issue:``)
 
 .. _whatsnew_0250.prior_deprecations:
 
diff --git a/pandas/core/series.py b/pandas/core/series.py
index 813dc21148ec6..a6827349f33f9 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -617,10 +617,14 @@ def put(self, *args, **kwargs):
         """
         Apply the `put` method to its `values` attribute if it has one.
 
+        .. deprecated:: 0.23.0
+
         See Also
         --------
         numpy.ndarray.put
         """
+        warnings.warn('`put` has been deprecated and will be removed in a'
+                      'future release.', DeprecationWarning, stacklevel=2)
         self._values.put(*args, **kwargs)
 
     def __len__(self):
diff --git a/pandas/tests/series/test_internals.py b/pandas/tests/series/test_internals.py
index 29846f10dae33..8eb1196d489f2 100644
--- a/pandas/tests/series/test_internals.py
+++ b/pandas/tests/series/test_internals.py
@@ -221,3 +221,9 @@ def test_hasnans_unchached_for_series():
     ser.iloc[-1] = np.nan
     assert ser.hasnans is True
     assert Series.hasnans.__doc__ == pd.Index.hasnans.__doc__
+
+
+def test_put_deprecated():
+    s = pd.Series([1])
+    with tm.assert_produces_warning(DeprecationWarning):
+        s.put(0, 0)
\ No newline at end of file

From bef6fdde9c4a9b96add51a040dbc5fd4767f995c Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:50:17 -0500
Subject: [PATCH 6/9] Add issue numbers

---
 doc/source/whatsnew/v0.25.0.rst       | 6 +++---
 pandas/core/series.py                 | 4 ++--
 pandas/tests/series/test_dtypes.py    | 1 +
 pandas/tests/series/test_internals.py | 1 +
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index b7847865e97c9..d41a2bf567fd2 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -604,9 +604,9 @@ Other deprecations
 - The :meth:`Series.ftype`, :meth:`Series.ftypes` and :meth:`DataFrame.ftypes` methods are deprecated and will be removed in a future version.
   Instead, use :meth:`Series.dtype` and :meth:`DataFrame.dtypes` (:issue:`26705`).
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
-- :attr:`Index.dtype_str` is deprecated. (:issue:``)
-- :attr:`Series.imag` and :attr:`Series.real` is deprecated. (:issue:``)
-- :meth:`Series.put` is deprecated. (:issue:``)
+- :attr:`Index.dtype_str` is deprecated. (:issue:`18262`)
+- :attr:`Series.imag` and :attr:`Series.real` is deprecated. (:issue:`18262`)
+- :meth:`Series.put` is deprecated. (:issue:`18262`)
 
 .. _whatsnew_0250.prior_deprecations:
 
diff --git a/pandas/core/series.py b/pandas/core/series.py
index a6827349f33f9..c06df250eecfc 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -617,14 +617,14 @@ def put(self, *args, **kwargs):
         """
         Apply the `put` method to its `values` attribute if it has one.
 
-        .. deprecated:: 0.23.0
+        .. deprecated:: 0.25.0
 
         See Also
         --------
         numpy.ndarray.put
         """
         warnings.warn('`put` has been deprecated and will be removed in a'
-                      'future release.', DeprecationWarning, stacklevel=2)
+                      'future version.', DeprecationWarning, stacklevel=2)
         self._values.put(*args, **kwargs)
 
     def __len__(self):
diff --git a/pandas/tests/series/test_dtypes.py b/pandas/tests/series/test_dtypes.py
index 1c1e75ef2f7cc..8b8f4fe136219 100644
--- a/pandas/tests/series/test_dtypes.py
+++ b/pandas/tests/series/test_dtypes.py
@@ -442,6 +442,7 @@ def test_complex(self):
         tm.assert_numpy_array_equal(4 * a, np.imag(b))
 
     def test_real_imag_deprecated(self):
+        # GH 18262
         s = pd.Series([1])
         with tm.assert_produces_warning(DeprecationWarning):
             s.imag
diff --git a/pandas/tests/series/test_internals.py b/pandas/tests/series/test_internals.py
index 8eb1196d489f2..d9d847e20c1aa 100644
--- a/pandas/tests/series/test_internals.py
+++ b/pandas/tests/series/test_internals.py
@@ -224,6 +224,7 @@ def test_hasnans_unchached_for_series():
 
 
 def test_put_deprecated():
+    # GH 18262
     s = pd.Series([1])
     with tm.assert_produces_warning(DeprecationWarning):
         s.put(0, 0)
\ No newline at end of file

From 9e405a55b94361adbbc98d469e9034d2e3f8f859 Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:51:57 -0500
Subject: [PATCH 7/9] Add newline at end of file

---
 pandas/tests/series/test_internals.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/series/test_internals.py b/pandas/tests/series/test_internals.py
index d9d847e20c1aa..9a6a5af44d6f7 100644
--- a/pandas/tests/series/test_internals.py
+++ b/pandas/tests/series/test_internals.py
@@ -227,4 +227,4 @@ def test_put_deprecated():
     # GH 18262
     s = pd.Series([1])
     with tm.assert_produces_warning(DeprecationWarning):
-        s.put(0, 0)
\ No newline at end of file
+        s.put(0, 0)

From 0ebd68b80ffa98a2c28072dc6a8efac6cdbb0362 Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 14:58:45 -0500
Subject: [PATCH 8/9] Use FutureWarning instead, grammar

---
 doc/source/whatsnew/v0.25.0.rst            | 2 +-
 pandas/core/indexes/base.py                | 2 +-
 pandas/core/series.py                      | 6 +++---
 pandas/tests/indexes/multi/test_format.py  | 2 +-
 pandas/tests/indexes/period/test_period.py | 4 ++--
 pandas/tests/indexes/test_common.py        | 2 +-
 pandas/tests/series/test_dtypes.py         | 4 ++--
 pandas/tests/series/test_internals.py      | 2 +-
 8 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/doc/source/whatsnew/v0.25.0.rst b/doc/source/whatsnew/v0.25.0.rst
index d41a2bf567fd2..2277becec0236 100644
--- a/doc/source/whatsnew/v0.25.0.rst
+++ b/doc/source/whatsnew/v0.25.0.rst
@@ -605,7 +605,7 @@ Other deprecations
   Instead, use :meth:`Series.dtype` and :meth:`DataFrame.dtypes` (:issue:`26705`).
 - :meth:`Timedelta.resolution` is deprecated and replaced with :meth:`Timedelta.resolution_string`.  In a future version, :meth:`Timedelta.resolution` will be changed to behave like the standard library :attr:`timedelta.resolution` (:issue:`21344`)
 - :attr:`Index.dtype_str` is deprecated. (:issue:`18262`)
-- :attr:`Series.imag` and :attr:`Series.real` is deprecated. (:issue:`18262`)
+- :attr:`Series.imag` and :attr:`Series.real` are deprecated. (:issue:`18262`)
 - :meth:`Series.put` is deprecated. (:issue:`18262`)
 
 .. _whatsnew_0250.prior_deprecations:
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 9a1019cfb6897..d25a4333ba62d 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -694,7 +694,7 @@ def dtype_str(self):
         .. deprecated:: 0.25.0
         """
         warnings.warn('`dtype_str` has been deprecated. Call `str` on the '
-                      'dtype attribute instead.', DeprecationWarning,
+                      'dtype attribute instead.', FutureWarning,
                       stacklevel=2)
         return str(self.dtype)
 
diff --git a/pandas/core/series.py b/pandas/core/series.py
index c06df250eecfc..31cb7432b3ae1 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -624,7 +624,7 @@ def put(self, *args, **kwargs):
         numpy.ndarray.put
         """
         warnings.warn('`put` has been deprecated and will be removed in a'
-                      'future version.', DeprecationWarning, stacklevel=2)
+                      'future version.', FutureWarning, stacklevel=2)
         self._values.put(*args, **kwargs)
 
     def __len__(self):
@@ -801,7 +801,7 @@ def real(self):
         .. deprecated 0.25.0
         """
         warnings.warn("`real` has be deprecated and will be removed in a "
-                      "future verison", DeprecationWarning, stacklevel=2)
+                      "future verison", FutureWarning, stacklevel=2)
         return self.values.real
 
     @real.setter
@@ -816,7 +816,7 @@ def imag(self):
         .. deprecated 0.25.0
         """
         warnings.warn("`imag` has be deprecated and will be removed in a "
-                      "future verison", DeprecationWarning, stacklevel=2)
+                      "future verison", FutureWarning, stacklevel=2)
         return self.values.imag
 
     @imag.setter
diff --git a/pandas/tests/indexes/multi/test_format.py b/pandas/tests/indexes/multi/test_format.py
index 312ebf2a5d973..85d30b8f6de6b 100644
--- a/pandas/tests/indexes/multi/test_format.py
+++ b/pandas/tests/indexes/multi/test_format.py
@@ -8,7 +8,7 @@
 
 
 def test_dtype_str(indices):
-    with tm.assert_produces_warning(DeprecationWarning):
+    with tm.assert_produces_warning(FutureWarning):
         dtype = indices.dtype_str
         assert isinstance(dtype, str)
         assert dtype == str(indices.dtype)
diff --git a/pandas/tests/indexes/period/test_period.py b/pandas/tests/indexes/period/test_period.py
index 681497cfe2706..a70f67557bfc2 100644
--- a/pandas/tests/indexes/period/test_period.py
+++ b/pandas/tests/indexes/period/test_period.py
@@ -132,11 +132,11 @@ def test_shallow_copy_changing_freq_raises(self):
 
     def test_dtype_str(self):
         pi = pd.PeriodIndex([], freq='M')
-        with tm.assert_produces_warning(DeprecationWarning):
+        with tm.assert_produces_warning(FutureWarning):
             assert pi.dtype_str == 'period[M]'
             assert pi.dtype_str == str(pi.dtype)
 
-        with tm.assert_produces_warning(DeprecationWarning):
+        with tm.assert_produces_warning(FutureWarning):
             pi = pd.PeriodIndex([], freq='3M')
             assert pi.dtype_str == 'period[3M]'
             assert pi.dtype_str == str(pi.dtype)
diff --git a/pandas/tests/indexes/test_common.py b/pandas/tests/indexes/test_common.py
index c60b31e06f643..3cb907c6f5844 100644
--- a/pandas/tests/indexes/test_common.py
+++ b/pandas/tests/indexes/test_common.py
@@ -155,7 +155,7 @@ def test_set_name_methods(self, indices):
         assert indices.names == [name]
 
     def test_dtype_str(self, indices):
-        with tm.assert_produces_warning(DeprecationWarning):
+        with tm.assert_produces_warning(FutureWarning):
             dtype = indices.dtype_str
             assert isinstance(dtype, str)
             assert dtype == str(indices.dtype)
diff --git a/pandas/tests/series/test_dtypes.py b/pandas/tests/series/test_dtypes.py
index 8b8f4fe136219..b9146534d10f1 100644
--- a/pandas/tests/series/test_dtypes.py
+++ b/pandas/tests/series/test_dtypes.py
@@ -428,7 +428,7 @@ def test_astype_empty_constructor_equality(self, dtype):
             as_type_empty = Series([]).astype(dtype)
             tm.assert_series_equal(init_empty, as_type_empty)
 
-    @pytest.mark.filterwarnings('ignore::DeprecationWarning')
+    @pytest.mark.filterwarnings('ignore::FutureWarning')
     def test_complex(self):
         # see gh-4819: complex access for ndarray compat
         a = np.arange(5, dtype=np.float64)
@@ -444,7 +444,7 @@ def test_complex(self):
     def test_real_imag_deprecated(self):
         # GH 18262
         s = pd.Series([1])
-        with tm.assert_produces_warning(DeprecationWarning):
+        with tm.assert_produces_warning(FutureWarning):
             s.imag
             s.real
 
diff --git a/pandas/tests/series/test_internals.py b/pandas/tests/series/test_internals.py
index 9a6a5af44d6f7..0b62624ad2696 100644
--- a/pandas/tests/series/test_internals.py
+++ b/pandas/tests/series/test_internals.py
@@ -226,5 +226,5 @@ def test_hasnans_unchached_for_series():
 def test_put_deprecated():
     # GH 18262
     s = pd.Series([1])
-    with tm.assert_produces_warning(DeprecationWarning):
+    with tm.assert_produces_warning(FutureWarning):
         s.put(0, 0)

From bc2feda7b1007be7e001f30c173ab45c1272cf1f Mon Sep 17 00:00:00 2001
From: Matt Roeschke <mroeschke@housecanary.com>
Date: Fri, 28 Jun 2019 16:41:39 -0500
Subject: [PATCH 9/9] Remove one usage of dtype_str

---
 pandas/core/arrays/categorical.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pandas/core/arrays/categorical.py b/pandas/core/arrays/categorical.py
index 9f5e3e8ee77f0..a1d591458fba3 100644
--- a/pandas/core/arrays/categorical.py
+++ b/pandas/core/arrays/categorical.py
@@ -1989,9 +1989,7 @@ def _repr_categories_info(self):
         """
 
         category_strs = self._repr_categories()
-        dtype = getattr(self.categories, 'dtype_str',
-                        str(self.categories.dtype))
-
+        dtype = str(self.categories.dtype)
         levheader = "Categories ({length}, {dtype}): ".format(
             length=len(self.categories), dtype=dtype)
         width, height = get_terminal_size()