Run some code reformatting

common/lib/xmodule/xmodule/open_ended_grading_classes/xblock_field_types.py

 from xblock.core import Integer, Float
 
+
 class StringyFloat(Float):
     """
     A model type that converts from string to floats when reading from json
     """
+
     def from_json(self, value):
         try:
             return float(value)

common/lib/xmodule/xmodule/peer_grading_module.py

@@ -27,14 +27,19 @@ IS_GRADED = True
 
 EXTERNAL_GRADER_NO_CONTACT_ERROR = "Failed to contact external graders.  Please notify course staff."
 
+
 class PeerGradingFields(object):
-    use_for_single_location = Boolean(help="Whether to use this for a single location or as a panel.", default=USE_FOR_SINGLE_LOCATION, scope=Scope.settings)
-    link_to_location = String(help="The location this problem is linked to.", default=LINK_TO_LOCATION, scope=Scope.settings)
-    is_graded = Boolean(help="Whether or not this module is scored.",default=IS_GRADED, scope=Scope.settings)
+    use_for_single_location = Boolean(help="Whether to use this for a single location or as a panel.",
+                                      default=USE_FOR_SINGLE_LOCATION, scope=Scope.settings)
+    link_to_location = String(help="The location this problem is linked to.", default=LINK_TO_LOCATION,
+                              scope=Scope.settings)
+    is_graded = Boolean(help="Whether or not this module is scored.", default=IS_GRADED, scope=Scope.settings)
     display_due_date_string = String(help="Due date that should be displayed.", default=None, scope=Scope.settings)
     grace_period_string = String(help="Amount of grace to give on the due date.", default=None, scope=Scope.settings)
-    max_grade = Integer(help="The maximum grade that a student can receieve for this problem.", default=MAX_SCORE, scope=Scope.settings)
-    student_data_for_location = Object(help="Student data for a given peer grading problem.", default=json.dumps({}),scope=Scope.student_state)
+    max_grade = Integer(help="The maximum grade that a student can receieve for this problem.", default=MAX_SCORE,
+                        scope=Scope.settings)
+    student_data_for_location = Object(help="Student data for a given peer grading problem.", default=json.dumps({}),
+                                       scope=Scope.student_state)
     weight = StringyFloat(help="How much to weight this problem by", scope=Scope.settings)