1 files changed, 15 insertions, 14 deletions

diff --git a/examples/python/dict_utils.py b/examples/python/dict_utils.py
index 7dc5e7a8b56e..7cdd0ac6f3c2 100755
--- a/examples/python/dict_utils.py
+++ b/examples/python/dict_utils.py
@@ -1,27 +1,28 @@
- 
+
 class LookupDictionary(dict):
     """
     a dictionary which can lookup value by key, or keys by value
     """
+
     def __init__(self, items=[]):
         """items can be a list of pair_lists or a dictionary"""
         dict.__init__(self, items)
- 
-    def get_keys_for_value(self, value, fail_value = None):
+
+    def get_keys_for_value(self, value, fail_value=None):
         """find the key(s) as a list given a value"""
         list_result = [item[0] for item in self.items() if item[1] == value]
         if len(list_result) > 0:
             return list_result
         return fail_value
- 
-    def get_first_key_for_value(self, value, fail_value = None):
+
+    def get_first_key_for_value(self, value, fail_value=None):
         """return the first key of this dictionary given the value"""
         list_result = [item[0] for item in self.items() if item[1] == value]
         if len(list_result) > 0:
             return list_result[0]
         return fail_value
 
-    def get_value(self, key, fail_value = None):
+    def get_value(self, key, fail_value=None):
         """find the value given a key"""
         if key in self:
             return self[key]
@@ -29,12 +30,12 @@ class LookupDictionary(dict):
 
 
 class Enum(LookupDictionary):
-    
+
     def __init__(self, initial_value=0, items=[]):
         """items can be a list of pair_lists or a dictionary"""
         LookupDictionary.__init__(self, items)
         self.value = initial_value
-    
+
     def set_value(self, v):
         v_typename = typeof(v).__name__
         if v_typename == 'str':
@@ -44,18 +45,18 @@ class Enum(LookupDictionary):
                 v = 0
         else:
             self.value = v
-    
+
     def get_enum_value(self):
         return self.value
-    
+
     def get_enum_name(self):
         return self.__str__()
 
     def __str__(self):
-        s = self.get_first_key_for_value (self.value, None)
-        if s == None:
+        s = self.get_first_key_for_value(self.value, None)
+        if s is None:
             s = "%#8.8x" % self.value
         return s
-    
+
     def __repr__(self):
-        return self.__str__()
\ No newline at end of file
+        return self.__str__()