Merge pull request #522 from PaulWay/paulway_oauth2_worker_docs_fixes

Put OAuth2Session in 'oauth' consistently in examples

docs/oauth2_workflow.rst

@@ -249,13 +249,13 @@ is necessary but refreshing is done manually.
     >>> from requests_oauthlib import OAuth2Session
     >>> from oauthlib.oauth2 import TokenExpiredError
     >>> try:
-    ...     client = OAuth2Session(client_id, token=token)
-    ...     r = client.get(protected_url)
+    ...     oauth = OAuth2Session(client_id, token=token)
+    ...     r = oauth.get(protected_url)
     >>> except TokenExpiredError as e:
-    ...     token = client.refresh_token(refresh_url, **extra)
+    ...     token = oauth.refresh_token(refresh_url, **extra)
     ...     token_saver(token)
-    >>> client = OAuth2Session(client_id, token=token)
-    >>> r = client.get(protected_url)
+    >>> oauth = OAuth2Session(client_id, token=token)
+    >>> r = oauth.get(protected_url)
 
 (Second) Define automatic token refresh automatic but update manually
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -268,9 +268,9 @@ is done manually.
 
     >>> from requests_oauthlib import OAuth2Session, TokenUpdated
     >>> try:
-    ...     client = OAuth2Session(client_id, token=token,
+    ...     oauth = OAuth2Session(client_id, token=token,
     ...             auto_refresh_kwargs=extra, auto_refresh_url=refresh_url)
-    ...     r = client.get(protected_url)
+    ...     r = oauth.get(protected_url)
     >>> except TokenUpdated as e:
     ...     token_saver(e.token)
 
@@ -284,9 +284,9 @@ however that you still need to update ``expires_in`` to trigger the refresh.
 .. code-block:: pycon
 
     >>> from requests_oauthlib import OAuth2Session
-    >>> client = OAuth2Session(client_id, token=token, auto_refresh_url=refresh_url,
+    >>> oauth = OAuth2Session(client_id, token=token, auto_refresh_url=refresh_url,
     ...     auto_refresh_kwargs=extra, token_updater=token_saver)
-    >>> r = client.get(protected_url)
+    >>> r = oauth.get(protected_url)
 
 TLS Client Authentication
 -------------------------