stubgen: import List[module

[hiaselhans]

Bug Report

stubgen created C++ stubs are wrong.

To Reproduce

I created a nested pybind11 module.

mymodule

• submodule1
• submodule2

then ran stubgen -p mymodule

Expected Behavior

correct stubs should be generated

Actual Behavior

in submodule1.pyi:

import List[mymodule.submodule1

also __init__ functions are overloaded with return type of the class.

Your Environment

• Mypy version used: 0.790
• Mypy command-line flags:
• Mypy configuration options from mypy.ini (and other config files):
• Python version used: 3.9.1
• Operating system and version: archlinux

[AWhetter]

This was fixed in mypy v0.800 via #8939