Fix tox error

Author: hnrkcode

loading_sdk/async_api.py

@@ -18,7 +18,8 @@ async def async_loading_api_client(email=None, password=None):
 
 
 class AsyncLoadingApiClient:
-    """An async client that allows python apps to easily communicate with the loading forums web api.
+    """
+    An async client that allows python apps to easily communicate with the loading forums web api.
 
     Some methods can be used anonymously, while others require the client to be authenticated
     with user credentials.