CORD-1446: Work around pip versioning issue involving grpcio and sphinx
CORD-1446: Work around pip versioning issue involving grpcio and sphinx

Change-Id: I230d342cabbc68aa21a9e7a544ed905bd9ee6095

opencord/xos,opencord/xos,open-cloud/xos,opencord/xos,open-cloud/xos,open-cloud/xos