Better import for python client.

samples/client/petstore/python/client/__init__.py

@@ -2,6 +2,25 @@
 """Add all of the modules in the current directory to __all__"""
 import os
 
+# import models into package
+from .models.User import User
+from .models.Category import Category
+from .models.Pet import Pet
+from .models.Tag import Tag
+from .models.Order import Order
+
+# import apis into package
+
+from .UserApi import UserApi
+
+from .PetApi import PetApi
+
+from .StoreApi import StoreApi
+
+
+# import ApiClient
+from .swagger import ApiClient
+
 __all__ = []
 
 for module in os.listdir(os.path.dirname(__file__)):