MAINT: apply ruff/Pycodestyle rule F401

F401 imported but unused

I have left out *.pyi files. Still lots of occurrences to examine.

Co-authored-by: Robert Kern <[email protected]>

Author: DimitriPapadopoulos

Diff for: benchmarks/benchmarks/common.py

@@ -1,6 +1,5 @@
 import numpy as np
 import random
-import os
 from functools import lru_cache
 from pathlib import Path
 

Diff for: doc/neps/conf.py

@@ -15,7 +15,6 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-import os
 from datetime import datetime
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))

Diff for: doc/preprocess.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python3
-import subprocess
 import os
-import sys
 from string import Template
 
 def main():

Diff for: doc/source/conf.py

@@ -575,7 +575,7 @@ def linkcode_resolve(domain, info):
            numpy.__version__, fn, linespec)
 
 from pygments.lexers import CLexer
-from pygments.lexer import inherit, bygroups
+from pygments.lexer import inherit
 from pygments.token import Comment
 
 class NumPyLexer(CLexer):

Diff for: doc/source/reference/simd/gen_features.py

@@ -1,7 +1,7 @@
 """
 Generate CPU features tables from CCompilerOpt
 """
-from os import sys, path
+from os import path
 from numpy.distutils.ccompiler_opt import CCompilerOpt
 
 class FakeCCompilerOpt(CCompilerOpt):

Diff for: numpy/_build_utils/gcc_build_bitness.py

@@ -3,7 +3,7 @@
 """
 
 import re
-from subprocess import run, PIPE
+from subprocess import run
 
 
 def main():

Diff for: numpy/_build_utils/process_src_template.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import sys
 import os
 import argparse
 import importlib.util

Diff for: numpy/_core/_ufunc_config.py

@@ -4,7 +4,6 @@
 This provides helpers which wrap `_get_extobj_dict` and `_make_extobj`, and
 `_extobj_contextvar` from umath.
 """
-import collections.abc
 import contextlib
 import contextvars
 import functools

Diff for: numpy/_core/code_generators/generate_umath.py

@@ -5,8 +5,6 @@
 """
 import os
 import re
-import struct
-import sys
 import textwrap
 import argparse
 

Diff for: numpy/_core/numerictypes.py

@@ -81,7 +81,7 @@
 
 from . import multiarray as ma
 from .multiarray import (
-        ndarray, array, dtype, datetime_data, datetime_as_string,
+        ndarray, dtype, datetime_data, datetime_as_string,
         busday_offset, busday_count, is_busday, busdaycalendar
         )
 from .._utils import set_module
@@ -95,7 +95,7 @@
 
 # we don't need all these imports, but we need to keep them for compatibility
 # for users using np._core.numerictypes.UPPER_TABLE
-from ._string_helpers import (
+from ._string_helpers import (  # noqa: F401
     english_lower, english_upper, english_capitalize, LOWER_TABLE, UPPER_TABLE
 )
 
@@ -106,7 +106,7 @@
 
 # we don't export these for import *, but we do want them accessible
 # as numerictypes.bool, etc.
-from builtins import bool, int, float, complex, object, str, bytes  # noqa: UP029
+from builtins import bool, int, float, complex, object, str, bytes  # noqa: F401, UP029
 
 
 # We use this later

Diff for: numpy/_core/overrides.py

@@ -1,7 +1,6 @@
 """Implementation of __array_function__ overrides from NEP-18."""
 import collections
 import functools
-import os
 
 from .._utils import set_module
 from .._utils._inspect import getargspec

Diff for: numpy/_core/shape_base.py

@@ -4,7 +4,6 @@
 import functools
 import itertools
 import operator
-import warnings
 
 from . import numeric as _nx
 from . import overrides

Diff for: numpy/_core/tests/test_arraymethod.py

@@ -5,7 +5,6 @@
 
 from __future__ import annotations
 
-import sys
 import types
 from typing import Any
 

Diff for: numpy/_core/tests/test_custom_dtypes.py

@@ -1,4 +1,3 @@
-import sys
 from tempfile import NamedTemporaryFile
 
 import pytest

Diff for: numpy/_core/tests/test_cython.py

@@ -1,9 +1,7 @@
 from datetime import datetime
 import os
-import shutil
 import subprocess
 import sys
-import time
 import pytest
 
 import numpy as np

Diff for: numpy/_core/tests/test_deprecations.py

@@ -3,13 +3,10 @@
 to document how deprecations should eventually be turned into errors.
 
 """
-import datetime
-import operator
 import warnings
 import pytest
 import tempfile
 import re
-import sys
 
 import numpy as np
 from numpy.testing import (

Diff for: numpy/_core/tests/test_einsum.py

@@ -1,6 +1,4 @@
 import itertools
-import sys
-import platform
 
 import pytest
 

Diff for: numpy/_core/tests/test_limited_api.py

@@ -1,5 +1,4 @@
 import os
-import shutil
 import subprocess
 import sys
 import sysconfig

Diff for: numpy/_core/tests/test_mem_policy.py

@@ -3,7 +3,6 @@
 import os
 import sys
 import threading
-import warnings
 
 import pytest
 

Diff for: numpy/_core/tests/test_unicode.py

@@ -1,4 +1,3 @@
-import pytest
 
 import numpy as np
 from numpy.testing import assert_, assert_equal, assert_array_equal

Diff for: numpy/f2py/_backends/_meson.py

@@ -12,7 +12,6 @@
 from string import Template
 from itertools import chain
 
-import warnings
 
 
 class MesonTemplate:

Diff for: numpy/f2py/auxfuncs.py

@@ -13,7 +13,6 @@
 import re
 import types
 from functools import reduce
-from copy import deepcopy
 
 from . import __version__
 from . import cfuncs

Diff for: numpy/f2py/f2py2e.py

@@ -15,10 +15,7 @@
 import os
 import pprint
 import re
-from pathlib import Path
-from itertools import dropwhile
 import argparse
-import copy
 
 from . import crackfortran
 from . import rules

Diff for: numpy/f2py/tests/test_abstract_interface.py

@@ -1,6 +1,4 @@
-from pathlib import Path
 import pytest
-import textwrap
 from . import util
 from numpy.f2py import crackfortran
 from numpy.testing import IS_WASM

Diff for: numpy/f2py/tests/test_array_from_pyobj.py

@@ -1,4 +1,3 @@
-import os
 import sys
 import copy
 import platform
@@ -7,7 +6,6 @@
 
 import numpy as np
 
-from numpy.testing import assert_, assert_equal
 from numpy._core._type_aliases import c_names_dict as _c_names_dict
 from . import util
 

Diff for: numpy/f2py/tests/test_crackfortran.py

@@ -1,7 +1,5 @@
 import importlib
-import codecs
 import time
-import unicodedata
 import pytest
 import numpy as np
 from numpy.f2py.crackfortran import markinnerspaces, nameargspattern

Diff for: numpy/f2py/tests/test_data.py

@@ -1,4 +1,3 @@
-import os
 import pytest
 import numpy as np
 

Diff for: numpy/f2py/tests/test_kind.py

@@ -1,5 +1,4 @@
 import sys
-import os
 import pytest
 import platform
 

Diff for: numpy/f2py/tests/test_mixed.py

@@ -1,4 +1,3 @@
-import os
 import textwrap
 import pytest
 

Diff for: numpy/f2py/tests/test_parameter.py

@@ -1,4 +1,3 @@
-import os
 import pytest
 
 import numpy as np

Diff for: numpy/f2py/tests/test_size.py

@@ -1,4 +1,3 @@
-import os
 import pytest
 import numpy as np
 

Diff for: numpy/f2py/tests/test_string.py

@@ -1,6 +1,4 @@
-import os
 import pytest
-import textwrap
 import numpy as np
 from . import util
 

Diff for: numpy/f2py/tests/test_value_attrspec.py

@@ -1,4 +1,3 @@
-import os
 import pytest
 
 from . import util

Diff for: numpy/f2py/tests/util.py

@@ -13,8 +13,6 @@
 import tempfile
 import shutil
 import atexit
-import textwrap
-import re
 import pytest
 import contextlib
 import numpy

Diff for: numpy/lib/_npyio_impl.py

@@ -9,7 +9,7 @@
 import weakref
 import contextlib
 import operator
-from operator import itemgetter, index as opindex, methodcaller
+from operator import itemgetter
 from collections.abc import Mapping
 import pickle
 

Diff for: numpy/lib/_ufunclike_impl.py

@@ -7,8 +7,6 @@
 
 import numpy._core.numeric as nx
 from numpy._core.overrides import array_function_dispatch
-import warnings
-import functools
 
 
 def _dispatcher(x, out=None):

Diff for: numpy/lib/_utils_impl.py

@@ -2,7 +2,6 @@
 import sys
 import textwrap
 import types
-import re
 import warnings
 import functools
 import platform

Diff for: numpy/lib/tests/test_histograms.py

@@ -6,7 +6,6 @@
     assert_array_almost_equal, assert_raises, assert_allclose,
     assert_array_max_ulp, assert_raises_regex, suppress_warnings,
     )
-from numpy.testing._private.utils import requires_memory
 import pytest
 
 

Diff for: numpy/lib/tests/test_recfunctions.py

@@ -1,4 +1,3 @@
-import pytest
 
 import numpy as np
 import numpy.ma as ma

Diff for: numpy/lib/tests/test_regression.py

@@ -5,7 +5,6 @@
     assert_, assert_equal, assert_array_equal, assert_array_almost_equal,
     assert_raises, _assert_valid_refcount,
     )
-import pytest
 
 
 class TestRegression:

Diff for: numpy/linalg/tests/test_regression.py

@@ -1,6 +1,5 @@
 """ Test functions for linalg module
 """
-import warnings
 
 import pytest
 

Diff for: numpy/random/tests/test_extending.py

@@ -1,12 +1,10 @@
 from importlib.util import spec_from_file_location, module_from_spec
 import os
-import pathlib
 import pytest
 import shutil
 import subprocess
 import sys
 import sysconfig
-import textwrap
 import warnings
 
 import numpy as np

Diff for: numpy/testing/overrides.py

@@ -63,7 +63,7 @@ def get_overridable_numpy_array_functions():
     """
     # 'import numpy' doesn't import recfunctions, so make sure it's imported
     # so ufuncs defined there show up in the ufunc listing
-    from numpy.lib import recfunctions
+    from numpy.lib import recfunctions  # noqa: F401
     return _array_functions.copy()
 
 def allows_array_function_override(func):

Diff for: numpy/tests/test_lazyloading.py

@@ -1,5 +1,4 @@
 import sys
-import importlib
 from importlib.util import LazyLoader, find_spec, module_from_spec
 import pytest
 
@@ -27,7 +26,7 @@ def test_lazy_load():
         np = module
 
         # test a subpackage import
-        from numpy.lib import recfunctions
+        from numpy.lib import recfunctions  # noqa: F401
 
         # test triggering the import of the package
         np.ndarray

Diff for: numpy/tests/test_numpy_config.py

@@ -3,7 +3,7 @@
 """
 import numpy as np
 import pytest
-from unittest.mock import Mock, patch
+from unittest.mock import patch
 
 pytestmark = pytest.mark.skipif(
     not hasattr(np.__config__, "_built_with_meson"),

Diff for: numpy/typing/tests/data/pass/scalars.py

@@ -1,4 +1,3 @@
-import sys
 import datetime as dt
 
 import pytest

Diff for: pavement.py

@@ -23,8 +23,6 @@
       the same underlying python for egg install in venv and for bdist_mpkg
 """
 import os
-import sys
-import shutil
 import hashlib
 import textwrap