Bug#1114307: python-libcst: FTBFS: error: failed to select a version for the requirement `pyo3 = "^0.22"`

[Bastian Germann]

Control: tags -1 fixed-upstream
Control: forwarded -1 
https://github.com/Instagram/LibCST/commit/287ab059a02bcaca00e77dceaaefc7c90954eb3b

v1.8.4 has the pyo3 version currently available in sid.