Fixed problem with filter on Python 3

Author: JaviCerveraIngram

connect/models/base.py

@@ -18,7 +18,7 @@ def __init__(self, *args, **kwargs):
     @staticmethod
     def _get_by_id(objects, identity):
         try:
-            return filter(lambda obj: obj.id == identity, objects)[0]
+            return list(filter(lambda obj: obj.id == identity, objects))[0]
         except IndexError:
             return None
 

connect/models/fulfillment.py

@@ -15,15 +15,15 @@
 class Fulfillment(BaseModel):
     @property
     def new_items(self):
-        return filter(lambda item: item.quantity > 0 and item.old_quantity == 0, self.asset.items)
+        return list(filter(lambda item: item.quantity > 0 and item.old_quantity == 0, self.asset.items))
 
     @property
     def changed_items(self):
-        return filter(lambda item: item.quantity > 0 and item.old_quantity > 0, self.asset.items)
+        return list(filter(lambda item: item.quantity > 0 and item.old_quantity > 0, self.asset.items))
 
     @property
     def removed_items(self):
-        return filter(lambda item: item.quantity == 0 and item.old_quantity > 0, self.asset.items)
+        return list(filter(lambda item: item.quantity == 0 and item.old_quantity > 0, self.asset.items))
 
 
 class FulfillmentSchema(BaseSchema):