PEP8 fixes

astrofrog · astrofrog · commit 13d8af82507b · 2015-06-26T09:58:36.000+01:00
diff --git a/lib/matplotlib/testing/exceptions.py b/lib/matplotlib/testing/exceptions.py
@@ -1,10 +1,16 @@
 class KnownFailureTest(Exception):
-    '''Raise this exception to mark a test as a known failing test.'''
-    pass
+    """
+    Raise this exception to mark a test as a known failing test.
+    """
+
 
 class KnownFailureDidNotFailTest(Exception):
-    '''Raise this exception to mark a test should have failed but did not.'''
-    pass
+    """
+    Raise this exception to mark a test should have failed but did not.
+    """
+
 
 class ImageComparisonFailure(AssertionError):
-    '''Raise this exception to mark a test as a comparison between two images.'''
+    """
+    Raise this exception to mark a test as a comparison between two images.
+    """
