rename python-nextgen to python (#15504)

samples/openapi3/client/petstore/python-aiohttp/docs/Dog.md

@@ -0,0 +1,28 @@
+# Dog
+
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**breed** | **str** |  | [optional] 
+
+## Example
+
+```python
+from petstore_api.models.dog import Dog
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Dog from a JSON string
+dog_instance = Dog.from_json(json)
+# print the JSON string representation of the object
+print Dog.to_json()
+
+# convert the object into a dict
+dog_dict = dog_instance.to_dict()
+# create an instance of Dog from a dict
+dog_form_dict = dog.from_dict(dog_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+