diff --git a/_pytest/compat.py b/_pytest/compat.py
index 4fac998e8..5c364c18f 100644
--- a/_pytest/compat.py
+++ b/_pytest/compat.py
@@ -10,7 +10,7 @@ import functools
 
 import py
 
-import  _pytest
+import _pytest
 
 
 
@@ -112,7 +112,7 @@ def getfuncargnames(function, startindex=None):
 
 
 
-if  sys.version_info[:2] == (2, 6):
+if sys.version_info[:2] == (2, 6):
     def isclass(object):
         """ Return true if the object is a class. Overrides inspect.isclass for
         python 2.6 because it will return True for objects which always return
diff --git a/testing/test_conftest.py b/testing/test_conftest.py
index e7034179f..bbb5bd496 100644
--- a/testing/test_conftest.py
+++ b/testing/test_conftest.py
@@ -65,7 +65,7 @@ class TestConftestValueAccessGlobal(object):
         startdir.ensure("xx", dir=True)
         conftest = ConftestWithSetinitial(startdir)
         mod, value = conftest._rget_with_confmod("a", startdir)
-        assert  value == 1.5
+        assert value == 1.5
         path = py.path.local(mod.__file__)
         assert path.dirpath() == basedir.join("adir", "b")
         assert path.purebasename.startswith("conftest")
@@ -151,10 +151,10 @@ def test_setinitial_conftest_subdirs(testdir, name):
     conftest = PytestPluginManager()
     conftest_setinitial(conftest, [sub.dirpath()], confcutdir=testdir.tmpdir)
     if name not in ('whatever', '.dotdir'):
-        assert  subconftest in conftest._conftestpath2mod
+        assert subconftest in conftest._conftestpath2mod
         assert len(conftest._conftestpath2mod) == 1
     else:
-        assert  subconftest not in conftest._conftestpath2mod
+        assert subconftest not in conftest._conftestpath2mod
         assert len(conftest._conftestpath2mod) == 0
 
 def test_conftest_confcutdir(testdir):
diff --git a/testing/test_parseopt.py b/testing/test_parseopt.py
index 3e3919a38..104d66083 100644
--- a/testing/test_parseopt.py
+++ b/testing/test_parseopt.py
@@ -242,7 +242,7 @@ class TestParser(object):
                          action='store_true')
         parser.parse([])
         help = parser.optparser.format_help()
-        assert '--func-args, --doit  foo' in  help
+        assert '--func-args, --doit  foo' in help
 
     # testing would be more helpful with all help generated
     def test_drop_short_help1(self, parser, capsys):
diff --git a/tox.ini b/tox.ini
index aa525b1fd..75d84f28d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -196,6 +196,6 @@ filterwarnings =
     ignore:.*inspect.getargspec.*deprecated, use inspect.signature.*:DeprecationWarning
 
 [flake8]
-ignore = E271,E272,E293,E301,E302,E303,E401,E402,E501,E701,E702,E704,E712,E731
+ignore = E272,E293,E301,E302,E303,E401,E402,E501,E701,E702,E704,E712,E731
 max-line-length = 120
 exclude = _pytest/vendored_packages/pluggy.py