On None return the generator returns an empty object

Author: MarcoMuellner

src/openapi_python_generator/language_converters/python/templates/httpx.jinja2

@@ -38,7 +38,7 @@ with httpx.Client(base_url=base_path) as client:
         raise HTTPException(response.status_code, f'{{ operationId }} failed with status code: {response.status_code}')
 {% if return_type.complex_type %}
 {% if return_type.list_type is none %}
-    return {{ return_type.type.converted_type }}(**response.json())
+    return {{ return_type.type.converted_type }}(**response.json()) if response.json() is not None else {{ return_type.type.converted_type }}()
 {% else %}
     return [{{ return_type.list_type }}(**item) for item in response.json()]
 {% endif %}

src/openapi_python_generator/language_converters/python/templates/requests.jinja2

@@ -31,7 +31,7 @@ def {{ operation_id }}({{ params }}) -> {% if return_type.type is none or return
         raise HTTPException(response.status_code, f'{{ operationId }} failed with status code: {response.status_code}')
 {% if return_type.complex_type %}
 {% if return_type.list_type is none %}
-    return {{ return_type.type.converted_type }}(**response.json())
+    return {{ return_type.type.converted_type }}(**response.json()) if response.json() is not None else {{ return_type.type.converted_type }}()
 {% else %}
     return [{{ return_type.list_type }}(**item) for item in response.json()]
 {% endif %}