Handle content-type header charset value for streaming API

[twitter-api-cdsw] / oauthlib / oauth2 / rfc6749 / grant_types / client_credentials.py

diff --git a/oauthlib/oauth2/rfc6749/grant_types/client_credentials.py b/oauthlib/oauth2/rfc6749/grant_types/client_credentials.py
index 30df247a40e194efc7a780ad1276c9838c6205fd..49173cca4beeb8fd8ed321cac5b1b94f1d845e6c 100644 (file)
--- a/oauthlib/oauth2/rfc6749/grant_types/client_credentials.py
+++ b/oauthlib/oauth2/rfc6749/grant_types/client_credentials.py
@@ -83,7 +83,7 @@ class ClientCredentialsGrant(GrantTypeBase):
         return headers, json.dumps(token), 200
 
     def validate_token_request(self, request):
-        if not getattr(request, 'grant_type'):
+        if not getattr(request, 'grant_type', None):
             raise errors.InvalidRequestError('Request is missing grant type.',
                                              request=request)