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chriddyp · chriddyp · commit d97b7741da6c · 2014-12-12T12:53:20.000-08:00
diff --git a/plotly/utils.py b/plotly/utils.py
@@ -93,14 +93,14 @@ def numpyJSONEncoder(self, obj):
             raise NotEncodable
 
     def datetimeJSONEncoder(self, obj):
-        '''
+        """
         if datetime or iterable of datetimes,
         convert to a string that plotly understands
         format as %Y-%m-%d %H:%M:%S.%f,
                   %Y-%m-%d %H:%M:%S, or
                   %Y-%m-%d
         depending on what non-zero resolution was provided
-        '''
+        """
         try:
             import pandas
             pandas_importable = True
