Import error from parent directory in Python 3.6.9

Question

Problem

Hi. I'm having issues importing a module I wrote. The module I want to import is called neural_networks, defined in the neural_networks.py file.

Directory tree:

├── neural_networks.py └── directory ├── neural_networks.py └── calling_module.py

neural_networks.py

def function_to_import(): pass

I read Python 3 docs in the section 5.7. Package Relative Imports, and applyed what's written there, but it's not all working.

calling_module.py

// ImportError: attempted relative import with no known parent package from . import neural_networks // SyntaxError: invalid syntax import ..neural_networks // ImportError: attempted relative import with no known parent package from ..directory import neural_networks // SyntaxError: invalid syntax import .neural_networks // works and i can use function_to_import() using neural_networks.function_to_import() import neural_networks

Question

How can I correctly import and use neural_networks module in calling_module?

Thanks in advance.

Lakshika Parihar · Accepted Answer · 2021-09-21 14:24:24Z

@tlentali has answered the correct way but If you want to use absolute path instead of the relative path, you can do it like this

import os,inspect,sys current_dir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))) parent_dir = os.path.dirname(current_dir) sys.path.append(parent_dir)

and then just import it,

from neural_networks import neural_networks

tlentali · Accepted Answer · 2021-09-21 14:22:30Z

We can add the parent path using sys before calling other imports :

import sys sys.path.append("..")

Then :

from neural_networks import neural_networks

In addition, you can add an __init__.py file (empty) in the directory containing the .py to import.

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