build: fix warnings in docgen (#711)
Resolved all the outstanding warnings from sphinx.
Going forward, warnings will be treated as errors since the `-W` flag is being used with `sphinx-build`
diff --git a/google/oauth2/utils.py b/google/oauth2/utils.py
index efda796..593f032 100644
--- a/google/oauth2/utils.py
+++ b/google/oauth2/utils.py
@@ -101,7 +101,7 @@
Args:
headers (Mapping[str, str]): The HTTP request header.
- request_body (Optional[Mapping[str, str]): The HTTP request body
+ request_body (Optional[Mapping[str, str]]): The HTTP request body
dictionary. For requests that do not support request body, this
is None and will be ignored.
bearer_token (Optional[str]): The optional bearer token.