diff --git a/IPython/core/prompts.py b/IPython/core/prompts.py
index 7fd218d..105ff17 100644
--- a/IPython/core/prompts.py
+++ b/IPython/core/prompts.py
@@ -2,9 +2,11 @@
 """Being removed
 """
 
+
 class LazyEvaluate(object):
     """This is used for formatting strings with values that need to be updated
     at that time, such as the current time or working directory."""
+
     def __init__(self, func, *args, **kwargs):
         self.func = func
         self.args = args
@@ -16,6 +18,6 @@ class LazyEvaluate(object):
 
     def __str__(self):
         return str(self())
-    
+
     def __format__(self, format_spec):
         return format(self(), format_spec)
diff --git a/IPython/core/tests/nonascii2.py b/IPython/core/tests/nonascii2.py
index a1afce4..23e21bd 100644
--- a/IPython/core/tests/nonascii2.py
+++ b/IPython/core/tests/nonascii2.py
@@ -1,4 +1,4 @@
 # coding: iso-8859-5
 # (Unlikely to be the default encoding for most testers.)
 # БЖџрстуфхцчшщъыьэюя <- Cyrillic characters
-'Ўт№Ф'
+"Ўт№Ф"
diff --git a/IPython/lib/__init__.py b/IPython/lib/__init__.py
index 94b8ade..cf8ccb0 100644
--- a/IPython/lib/__init__.py
+++ b/IPython/lib/__init__.py
@@ -3,9 +3,9 @@
 Extra capabilities for IPython
 """
 
-#-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 #  Copyright (C) 2008-2011  The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
diff --git a/IPython/testing/tests/__init__.py b/IPython/testing/tests/__init__.py
index f751f68..042eb92 100644
--- a/IPython/testing/tests/__init__.py
+++ b/IPython/testing/tests/__init__.py
@@ -1,10 +1,10 @@
 # encoding: utf-8
 __docformat__ = "restructuredtext en"
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #       Copyright (C) 2005  Fernando Perez <fperez@colorado.edu>
 #                           Brian E Granger <ellisonbg@gmail.com>
 #                           Benjamin Ragan-Kelley <benjaminrk@gmail.com>
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
diff --git a/IPython/utils/_process_cli.py b/IPython/utils/_process_cli.py
index 86e918a..e303202 100644
--- a/IPython/utils/_process_cli.py
+++ b/IPython/utils/_process_cli.py
@@ -35,6 +35,7 @@ def system(cmd):
     # Start up process:
     reg = System.Diagnostics.Process.Start(psi)
 
+
 def getoutput(cmd):
     """
     getoutput(cmd) should work in a cli environment on Mac OSX, Linux,
@@ -53,6 +54,7 @@ def getoutput(cmd):
     error = myError.ReadToEnd()
     return output
 
+
 def check_pid(pid):
     """
     Check if a process with the given PID (pid) exists
@@ -66,4 +68,4 @@ def check_pid(pid):
         return True
     except System.ArgumentException:
         # process with given pid isn't running
-        return False 
+        return False
diff --git a/IPython/utils/dir2.py b/IPython/utils/dir2.py
index 9f19b2d..5dc699a 100644
--- a/IPython/utils/dir2.py
+++ b/IPython/utils/dir2.py
@@ -41,7 +41,7 @@ def dir2(obj):
         # TypeError: dir(obj) does not return a list
         words = set()
 
-    if safe_hasattr(obj, '__class__'):
+    if safe_hasattr(obj, "__class__"):
         words |= set(dir(obj.__class__))
 
     # filter out non-string attributes which may be stuffed by dir() calls
@@ -62,7 +62,7 @@ def get_real_method(obj, name):
     Returns the method or None.
     """
     try:
-        canary = getattr(obj, '_ipython_canary_method_should_not_exist_', None)
+        canary = getattr(obj, "_ipython_canary_method_should_not_exist_", None)
     except Exception:
         return None