Fixed issue that it will throw error when deserialize model in python client.

modules/swagger-codegen/src/main/resources/python/__init__model.mustache

@@ -2,6 +2,10 @@
 """Add all of the modules in the current directory to __all__"""
 import os
 
+{{#models}}{{#model}}
+from .{{classVarName}} import {{classname}}
+{{/model}}{{/models}}
+
 __all__ = []
 
 for module in os.listdir(os.path.dirname(__file__)):

modules/swagger-codegen/src/main/resources/python/swagger.mustache

@@ -17,8 +17,7 @@ import datetime
 import mimetypes
 import random
 import string
-
+import models
-from models import *
 
 
 class ApiClient(object):
@@ -211,7 +210,7 @@ class ApiClient(object):
       if (objClass in ['int', 'float', 'long', 'dict', 'list', 'str', 'bool', 'datetime']):
         objClass = eval(objClass)
       else:  # not a native type, must be model class
-        objClass = eval(objClass + '.' + objClass)
+        objClass = eval('models.' + objClass)
 
     if objClass in [int, long, float, dict, list, str, bool]:
       return objClass(obj)

samples/client/petstore/python/SwaggerPetstore-python/SwaggerPetstore/models/__init__.py

@@ -2,6 +2,18 @@
 """Add all of the modules in the current directory to __all__"""
 import os
 
+
+from .user import User
+
+from .category import Category
+
+from .pet import Pet
+
+from .tag import Tag
+
+from .order import Order
+
+
 __all__ = []
 
 for module in os.listdir(os.path.dirname(__file__)):

samples/client/petstore/python/SwaggerPetstore-python/SwaggerPetstore/swagger.py

@@ -17,8 +17,7 @@ import datetime
 import mimetypes
 import random
 import string
-
+import models
-from models import *
 
 
 class ApiClient(object):
@@ -211,7 +210,7 @@ class ApiClient(object):
       if (objClass in ['int', 'float', 'long', 'dict', 'list', 'str', 'bool', 'datetime']):
         objClass = eval(objClass)
       else:  # not a native type, must be model class
-        objClass = eval(objClass + '.' + objClass)
+        objClass = eval('models.' + objClass)
 
     if objClass in [int, long, float, dict, list, str, bool]:
       return objClass(obj)