Update lower-constraints for new pip

This patch bump a series of lower-constraints and
requirements to work with new pip resolver. For
more information please refer [1]. It also fix some
pep8 issues.

[1] http://lists.openstack.org/pipermail/openstack-discuss/2020-December/019285.html

Change-Id: I0ce1e41b6e064866ef1e5e7cf8c55bb8a2cc5963

lower-constraints.txt

@@ -12,7 +12,7 @@ contextlib2==0.5.5
 coverage==4.0
 cryptography==2.1.4
 debtcollector==1.19.0
-decorator==4.2.1
+decorator==4.4.1
 deprecation==2.0
 Django==2.2
 django-appconf==1.0.2
@@ -25,9 +25,8 @@ dulwich==0.19.0
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
-flake8==2.5.5
 futurist==1.6.0
-hacking==0.12.0
+hacking==4.0.0
 horizon==17.1.0
 idna==2.6
 imagesize==1.0.0
@@ -37,10 +36,10 @@ jmespath==0.9.3
 jsonpatch==1.21
 jsonpointer==2.0
 jsonschema==2.6.0
-keystoneauth1==3.4.0
+keystoneauth1==3.18.0
 linecache2==1.0.0
 MarkupSafe==1.0
-mccabe==0.2.1
+mccabe==0.6.0
 monotonic==1.4
 msgpack==0.5.6
 munch==2.2.0
@@ -66,7 +65,7 @@ pep8==1.5.7
 Pint==0.8.1
 prettytable==0.7.2
 pycparser==2.18
-pyflakes==2.1.1
+pyflakes==2.2.0
 Pygments==2.2.0
 pyinotify==0.9.6
 pymongo==3.6.1

setup.cfg

@@ -16,6 +16,7 @@ classifier =
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+
     Programming Language :: Python :: 3.8
 
 [files]

test-requirements.txt

@@ -7,11 +7,7 @@
 # be installed in a specific order.
 #
 # Hacking should appear first in case something else depends on pep8
-hacking>=1.1.0,<1.2.0 # Apache-2.0
-# remove this pyflakes from here once you bump the
-# hacking to 3.2.0 or above. hacking 3.2.0 takes
-# care of pyflakes version compatibilty.
-pyflakes>=2.1.1
+hacking>=4.0.0,<4.1.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 nodeenv>=0.9.4 # BSD

tools/install_venv.py

@@ -67,5 +67,6 @@ def main(argv):
     install.install_dependencies()
     print_help(venv, root)
 
+
 if __name__ == '__main__':
     sys.exit(main(sys.argv))

tox.ini

@@ -34,7 +34,7 @@ commands = flake8 {posargs}
 [flake8]
 # F405 TEMPLATES may be undefined, or defined from star imports
 # (because it is not easy to avoid this in openstack_dashboard.test.settings)
-ignore = F405
+ignore = F405,W504
 exclude = .git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules
 max-complexity = 20