[FIX] estate: split import on separate lines

Author: aurb9

estate/models/__init__.py

@@ -1 +1,5 @@
-from . import property, property_offer, property_tag, property_type, res_users
+from . import property
+from . import property_offer
+from . import property_tag
+from . import property_type
+from . import res_users