many pep8 improvements

gluon/contrib/shell.py

@@ -54,14 +54,14 @@ UNPICKLABLE_TYPES = (
     types.TypeType,
     types.ClassType,
     types.FunctionType,
-    )
+)
 
 # Unpicklable statements to seed new historys with.
 INITIAL_UNPICKLABLES = [
     'import logging',
     'import os',
     'import sys',
-    ]
+]
 
 
 class History:
@@ -154,6 +154,7 @@ class History:
         if name in self.unpicklable_names:
             self.unpicklable_names.remove(name)
 
+
 def represent(obj):
     """Returns a string representing the given object's value, which should allow the
     code below to determine whether the object changes over time.
@@ -163,6 +164,7 @@ def represent(obj):
     except:
         return repr(obj)
 
+
 def run(history, statement, env={}):
     """
     Evaluates a python statement in a given history and returns the result.
@@ -180,7 +182,6 @@ def run(history, statement, env={}):
     # single-line expressions such as 'class Foo: pass' evaluate happily.
     statement += '\n\n'
 
-
     # log and compile the statement up front
     try:
         logging.info('Compiling and evaluating:\n%s' % statement)
@@ -224,7 +225,8 @@ def run(history, statement, env={}):
                 history.remove_global(name)
 
         # run!
-        old_globals = dict((key,represent(value)) for key,value in statement_module.__dict__.items())
+        old_globals = dict((key, represent(
+            value)) for key, value in statement_module.__dict__.items())
         try:
             old_stdout, old_stderr = sys.stdout, sys.stderr
             try:
@@ -261,6 +263,7 @@ def run(history, statement, env={}):
         sys.modules['__main__'] = old_main
     return output.getvalue()
 
-if __name__=='__main__':
-    history=History()
-    while True: print run(history, raw_input('>>> ')).rstrip()
+if __name__ == '__main__':
+    history = History()
+    while True:
+        print run(history, raw_input('>>> ')).rstrip()