I am using Python and Type Hints with the libraries typing and types, and cannot get through the following code with out errors: import numpy as np import pandas as pd import nb_mypy %load_ext nb_mypy %reload_ext nb_mypy %nb_mypy On %nb_mypy DebugOff from typing import Tuple, Union, Dict, List, Any from types import ModuleType # FrameType, TracebackType i: List[str] j: List[ModuleType] # I couldn't find the Type Hint for modules... for i, j in zip( ['numpy', 'pandas'], [np, pd]): print(f"{i} used in this code is version {j.__version__}") At the moment I get errors: error: Incompatible types in assignment (expression has type "str", variable has type "list[str]") [assignment] error: "list[Module]" has no attribute "__version__" [attr-defined] I tried it with Any too, and got this instead, which is no better: error: Incompatible types in assignment (expression has type "str", variable has type "list[str]") [assignment] error: "list[Any]" has no attribute "__version__" [attr-defined] Continue reading...