Some more PEP 8 cleaning

polymorphic/manager.py

@@ -6,6 +6,7 @@
 from django.db import models
 from query import PolymorphicQuerySet
 
+
 class PolymorphicManager(models.Manager):
     """
     Manager for PolymorphicModel

polymorphic/polymorphic_model.py

@@ -109,10 +109,10 @@ class PolymorphicModel(models.Model):
         and all fields may be retrieved with this method.
         Each method call executes one db query (if necessary).""" 
         real_model = self.get_real_instance_class()
-        if real_model == self.__class__: return self
+        if real_model == self.__class__:
+            return self
         return real_model.objects.get(pk=self.pk)
 
-
     def __init__(self, * args, ** kwargs):
         """Replace Django's inheritance accessor member functions for our model
         (self.__class__) with our own versions.
@@ -159,11 +159,13 @@ class PolymorphicModel(models.Model):
 
         def add_model(model, as_ptr, result):
             name = model.__name__.lower()
-            if as_ptr: name+='_ptr'
+            if as_ptr:
+                name += '_ptr'
             result[name] = model
 
         def add_model_if_regular(model, as_ptr, result):
-            if ( issubclass(model, models.Model) and model != models.Model
+            if (issubclass(model, models.Model)
+                and model != models.Model
                 and model != self.__class__
                 and model != PolymorphicModel ):
                 add_model(model,as_ptr,result)
@@ -182,4 +184,3 @@ class PolymorphicModel(models.Model):
         add_all_sub_models(self.__class__,result)
         return result
 
-        

polymorphic/query.py

@@ -17,7 +17,6 @@ from django.db.models.query import CHUNK_SIZE               # this is 100 for Dj
 Polymorphic_QuerySet_objects_per_request = CHUNK_SIZE
 
 
-
 ###################################################################################
 ### PolymorphicQuerySet
 
@@ -97,7 +96,6 @@ class PolymorphicQuerySet(QuerySet):
     # The "polymorphic" keyword argument is not supported anymore.
     #def extra(self, *args, **kwargs):
 
-
     def _get_real_instances(self, base_result_objects):
         """
         Polymorphic object loader
@@ -143,7 +141,8 @@ class PolymorphicQuerySet(QuerySet):
 
             # check if id of the result object occeres more than once - this can happen e.g. with base_objects.extra(tables=...)
             assert not base_object.pk in base_result_objects_by_id, (
-                "django_polymorphic: result objects do not have unique primary keys - model "+unicode(self.model) )
+                "django_polymorphic: result objects do not have unique primary keys - model " + unicode(self.model)
+            )
 
             base_result_objects_by_id[base_object.pk] = base_object