python - How to fix "no module named 'app_one'"

Question

I have a Python package with the following structure.

>python_package       # package root directory
    >app_one          # subpackage directory
        >__init__.py
        >views.py
   
    >app_two          # another subpackage directory
        >__init__.py
        >views.py

Code for app_one/views.py:

def show(): 
    print('do something')

Codes for app_two/views.py:

from app_one.views import show
show()

The problem is, whenever I try to run views.py of app_two from the terminal, I get an error

No module named 'app_one'

But when I open the package python_package in the PyCharm IDE, I'm getting no issue, everything works perfectly.

Answer 1

This error occurs because, the path to the file app_one is not in the current path, and you have to add it to the path using sys.path.append Try :

import sys
sys.path.append('./app_one')
from views import show
show()