Fix mypy and black issues

Author: dbanty

openapi_python_client/__init__.py

@@ -18,11 +18,13 @@ def main(*, url: Optional[str], path: Optional[str]) -> None:
 
 def _get_json(*, url: Optional[str], path: Optional[str]) -> Dict[str, Any]:
     json_bytes: bytes
-    if url:
+    if url is not None:
         response = requests.get(url)
         json_bytes = response.content
-    else:
+    elif path is not None:
         json_bytes = Path(path).read_bytes()
+    else:
+        raise ValueError("No URL or Path provided")
     return orjson.loads(json_bytes)
 
 

openapi_python_client/cli.py

@@ -6,15 +6,15 @@
 
 
 @click.group()
-def cli():
+def cli() -> None:
     """ Entrypoint into CLI """
     pass
 
 
 @cli.command()
 @click.option("--url", help="The URL to the openapi.json file")
 @click.option("--path", help="The path to the openapi.json file")
-def generate(url: Optional[str], path: Optional[str]):
+def generate(url: Optional[str], path: Optional[str]) -> None:
     """ Generate a new OpenAPI Client library """
     if not url and not path:
         print("You must either provide --url or --path")

tests/test___init__.py

@@ -8,6 +8,7 @@ def test_main(mocker):
     path = mocker.MagicMock()
 
     from openapi_python_client import main
+
     main(url=url, path=path)
 
     _get_json.assert_called_once_with(url=url, path=path)