Fixed pep8 job

Upgraded hacking and fixed issues with code. This fixes pep8 job
which was failing on py38 as dependencies were too old.

Change-Id: I1b1a980eb1cb7ad0a6754b3aebfb3e3e1617c3be

bindep/depends.py

@@ -335,7 +335,7 @@ class Depends(object):
             if (distro_id == 'ubuntu' and release_version >=
                 as_ver("16.04")) or (distro_id == 'debian' and
                                      release_version >= as_ver("10")):
-                    atoms.add(PY3)
+                atoms.add(PY3)
             else:
                 atoms.add(PY2)
             self.platform = Dpkg()

bindep/main.py

@@ -94,5 +94,6 @@ def main(depends=None):
 
     return 0
 
+
 if __name__ == '__main__':
     sys.exit(main())

test-requirements.txt

@@ -1,5 +1,3 @@
-hacking>=1.1,<1.2
-
 coverage>=3.6
 fixtures>=0.3.12
 mock>=2.0  # BSD

tox.ini

@@ -14,6 +14,9 @@ commands =
   python setup.py test --slowest --testr-args='{posargs}'
 
 [testenv:pep8]
+basepython = python3
+deps =
+  hacking>=3.2.0,<3.3
 commands = flake8
 
 [testenv:venv]
@@ -29,6 +32,6 @@ commands = sphinx-build -W -b html doc/source doc/build/html
 # E123, E125 skipped as they are invalid PEP-8.
 
 show-source = True
-ignore = E123,E125,E129,H
+ignore = E123,E125,E129,H,W503,W504
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build