python: error when type contains multiple type parameters

[joprice]

Description

When a type contains multiple type parameters, the following error is thrown:

TypeError: Cannot inherit from Generic[...] multiple times.

Repro code

https://fable.io/repl/#?code=LAKALgngDgpgBAMQJYwDYBMEDsDCAnGAQzAHs8AeAcgCMAaOSgYwD44BeUOOQ6gZzDyFGYODABuhVFUKsAXHH54kWAOZwAtKwAUTDa0qEAlEA&html=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&css=BYFwtgNgNAUARgewCYE8AEBvGadoGYIB2IAtAM4CWAXgKYBcaAjAGwAOAHgNwwC+MMAOjABDCoRIBjIiFGEaAJ0zZcSCmVYRhKBngg0uynAHcKSEMAaMADFYCk3XGmA0KAc1CWb9w2gBWAVzIQCjwUSWkaYgYJSJAFB1xhCDdxCjiwMmjY+J9dfRJVeRoJYKJohAh-MEJuPkExVn8QJUdWYSRVQlcGAQAmAFYisAScAmJyanomNgNHEzMLNAGrDhG0EXlXMRJEEBAEMEsh2pggA

• Fable version: 4.24.0
• Operating system OSX

[MangelMaxime]

Similar to this issue but I ended up blocked while working on the fix because it modified FSharp.Core generated types too and I don't know well enough this portion of the code yet neither python

#3972 (comment)