fixing the whitespaces

rest_framework/throttling.py

@@ -95,14 +95,13 @@ class SimpleRateThrottle(BaseThrottle):
             msg = "No default throttle rate set for '%s' scope" % self.scope
             raise ImproperlyConfigured(msg)
 
-    def parse_rate(self,rate):
+    def parse_rate(self, rate):
         """
         Given the request rate string, return a two tuple of:
         <allowed number of requests>, <period of time in seconds>
         """
         if rate is None:
             return (None, None)
-        
         num, period = rate.split('/')
         quantity, unit = parse_quantity_and_unit(period).values()
         num_requests = int(num)

rest_framework/utils/throttling_duration_parser.py

@@ -19,4 +19,4 @@ def parse_quantity_and_unit(quantity_unit_string):
     else:
         quantity_unit_dict['quantity'] = int(quantity_unit_string[:i])
         quantity_unit_dict['unit'] = quantity_unit_string[i:]
-    return quantity_unit_dict
+    return quantity_unit_dict

tests/test_throttling.py

@@ -470,10 +470,8 @@ class SimpleRateThrottleTests(TestCase):
     def test_parse_quantity_and_unit_parses_correctly(self):
         result = parse_quantity_and_unit("5min")
         assert result == {'quantity': 5, 'unit': 'min'}
-        
         result = parse_quantity_and_unit("h")
         assert result == {'quantity': 1, 'unit': 'h'}
-        
         result = parse_quantity_and_unit("123s")
         assert result == {'quantity': 123, 'unit': 's'}