Bump py from 1.8.1 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.8.1 to 1.10.0.
- [Release notes](https://github.com/pytest-dev/py/releases)
- [Changelog](https://github.com/pytest-dev/py/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/py@1.8.1...1.10.0)

Signed-off-by: dependabot[bot] <[email protected]>

dev-requirements.py2.txt

@@ -4,95 +4,66 @@
 #
 #    pip-compile --no-index --output-file=dev-requirements.py2.txt dev-requirements.in
 #
+alabaster==0.7.12
+    # via sphinx
 atomicwrites==1.3.0
     # via pytest
 attrs==19.3.0
     # via pytest
-backports.functools-lru-cache==1.6.1
-    # via isort
+babel==2.9.1
+    # via sphinx
 certifi==2019.11.28
-    # via
-    #   requests
-    #   urllib3
-cffi==1.14.0
-    # via cryptography
+    # via requests
 chardet==3.0.4
     # via requests
 click==7.1.1
     # via pip-tools
-configparser==4.0.2
-    # via
-    #   entrypoints
-    #   flake8
-    #   importlib-metadata
-contextlib2==0.6.0.post1
-    # via
-    #   importlib-metadata
-    #   zipp
 coverage==4.5.4
     # via
     #   coveralls
     #   pytest-cov
 coveralls==1.8.2
     # via -r dev-requirements.in
-cryptography==2.8
-    # via
-    #   pyopenssl
-    #   urllib3
 docopt==0.6.2
     # via coveralls
+docutils==0.17.1
+    # via sphinx
 entrypoints==0.3
     # via flake8
-enum34==1.1.10
-    # via
-    #   cryptography
-    #   flake8
 flake8==3.7.9
     # via pytest-flake8
-funcsigs==1.0.2
-    # via pytest
-functools32==3.2.3.post2
-    # via flake8
-futures==3.3.0
-    # via isort
 idna==2.9
-    # via
-    #   requests
-    #   urllib3
-importlib-metadata==1.6.0
-    # via
-    #   pluggy
-    #   pytest
-ipaddress==1.0.23
-    # via
-    #   cryptography
-    #   urllib3
+    # via requests
+imagesize==1.2.0
+    # via sphinx
 isort==4.3.21
     # via pytest-isort
+jinja2==2.11.3
+    # via sphinx
+markupsafe==1.1.1
+    # via
+    #   jinja2
+    #   sphinx
 mccabe==0.6.1
     # via flake8
 more-itertools==5.0.0
     # via pytest
 packaging==20.3
-    # via pytest
-pathlib2==2.3.5
     # via
-    #   importlib-metadata
     #   pytest
+    #   sphinx
 pip-tools==4.5.1
     # via -r dev-requirements.in
 pluggy==0.13.1
     # via pytest
-py==1.8.1
+py==1.10.0
     # via pytest
 pycodestyle==2.5.0
     # via flake8
-pycparser==2.20
-    # via cffi
 pyflakes==2.1.1
     # via flake8
-pyopenssl==19.1.0
-    # via urllib3
+pygments==2.9.0
+    # via sphinx
 pyparsing==2.4.7
     # via packaging
 pytest-ckan==0.0.12
@@ -110,26 +81,37 @@ pytest==4.6.9
     #   pytest-cov
     #   pytest-flake8
     #   pytest-isort
+pytz==2021.1
+    # via babel
 requests==2.23.0
-    # via coveralls
-scandir==1.10.0
-    # via pathlib2
+    # via
+    #   coveralls
+    #   sphinx
 six==1.14.0
     # via
-    #   cryptography
     #   more-itertools
     #   packaging
-    #   pathlib2
     #   pip-tools
-    #   pyopenssl
     #   pytest
-typing==3.7.4.1
-    # via flake8
-urllib3[secure]==1.25.8
-    # via
-    #   coveralls
-    #   requests
+snowballstemmer==2.1.0
+    # via sphinx
+sphinx-autodoc-typehints[type_comments]==1.10.3 ; python_version >= "3.5"
+    # via -r dev-requirements.in
+sphinx==4.0.1
+    # via sphinx-autodoc-typehints
+sphinxcontrib-applehelp==1.0.2
+    # via sphinx
+sphinxcontrib-devhelp==1.0.2
+    # via sphinx
+sphinxcontrib-htmlhelp==1.0.3
+    # via sphinx
+sphinxcontrib-jsmath==1.0.1
+    # via sphinx
+sphinxcontrib-qthelp==1.0.3
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.4
+    # via sphinx
+urllib3==1.25.8
+    # via requests
 wcwidth==0.1.9
     # via pytest
-zipp==1.2.0
-    # via importlib-metadata