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How do imports between different modules packaged by PyPi work?

I have packaged modules A.py and B.py into a PyPI package P. Inside A.py, there is a function a() which imports a function b() from B.py. I.e., A.py looks like

from B import b

def a():
    <some `a` code>
    b()

and B.p looks like

def b():
    <some `b` code>

Like I said, both modules were packaged into P. I then go to an environment where neither A.py nor B.py are present, run pip install P, and do the following in Python

from P.A import a

a()

I then get the error No module named B.

How can I resolve this?

Solution

  • In A.py use import as

    from .B import b