Sometimes, connections get closed by the server. This change
adds retrying to the code.
Conflict:
requirements.txt
NOTE(hberaud): This conflict is due to the cap of tenacity during wallaby
to unblock the gate. This requirement cap won't be an issue for victoria
and for previous stable branches.
fe9c430455
Change-Id: Iaab5ce609c0dcf7085f5dd43efbd37eb4b88f17b
(cherry picked from commit a025b4d4ee)
(cherry picked from commit 62d5d17a5d)
(cherry picked from commit 1ddddbba73)
b8e0d819d4