rename python-nextgen to python (#15504)

samples/openapi3/client/petstore/python/docs/File.md

@@ -0,0 +1,29 @@
+# File
+
+Must be named `File` for test.
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**source_uri** | **str** | Test capitalization | [optional] 
+
+## Example
+
+```python
+from petstore_api.models.file import File
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of File from a JSON string
+file_instance = File.from_json(json)
+# print the JSON string representation of the object
+print File.to_json()
+
+# convert the object into a dict
+file_dict = file_instance.to_dict()
+# create an instance of File from a dict
+file_form_dict = file.from_dict(file_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)
+
+