Run all flake8 checks

Previously, only H106 was being run.

Depends-On: I04b862ced4659dfeb3c515edb3b8fed36b5b086d
Change-Id: I76b5bbfee016ea25904a558c64a69b796d135f2d

hacking/checks/comments.py

@@ -162,7 +162,7 @@ under the License."""
     if stripped_apache2 in content:
         return True
     else:
-        print ("<license>!=<apache2>:\n'%s' !=\n'%s'" %
+        print("<license>!=<apache2>:\n'%s' !=\n'%s'" %
               (content, stripped_apache2))
         return False
 

requirements.txt

@@ -5,7 +5,7 @@ pbr>=1.6 # Apache-2.0
 
 pep8==1.5.7 # MIT
 pyflakes==0.8.1 # MIT
-flake8<2.6.0,>2.4.1 # MIT
+flake8<2.6.0,>=2.5.4 # MIT
 mccabe==0.2.1 # MIT License
 
 six>=1.9.0 # MIT

tox.ini

@@ -37,7 +37,7 @@ commands = python setup.py build_sphinx
 [flake8]
 exclude = .venv,.tox,dist,doc,*.egg,build
 show-source = true
-select = H106
+enable-extensions = H106
 
 [hacking]
 local-check = hacking.tests.test_local.check