[Pkg-matrix-maintainers] Bug#1017509: needs matrix-common<2.0.0, >=1.2.1, but got matrix-common==1.1.0

[joffrey575]

I installed python3-matrix-common package in version 1.2.1-1~bpo11+1 
bullseye-backports

In the file "/usr/lib/python3/dist-packages/synapse/util/__init__.py", 
at the end,

+SYNAPSE_VERSION = "v1.63.0"
-#SYNAPSE_VERSION = get_distribution_version_string("matrix-synapse", 
__file__)

After start the service, it give me "needs matrix-common<2.0.0,>=1.2.1"

░░ L'unité (unit) matrix-synapse.service a commencé à démarrer.
août 23 15:56:25 serveur python3[1272851]: ERROR:root:Synapse 1.63.0 
needs matrix-common<2.0.0,>=1.2.1, but got matrix-common==1.1.0
août 23 15:56:25 serveur python3[1272851]: Missing Requirements: 
"matrix-common"
août 23 15:56:25 serveur python3[1272851]: To install run:
août 23 15:56:25 serveur python3[1272851]: pip install --upgrade --force 
"matrix-common"
août 23 15:56:25 serveur systemd[1]: matrix-synapse.service: Control 
process exited, code=exited, status=1/FAILURE

A solution ?
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