Answers for "I have a python file inside another directory which imports a file in that directory"

import python module from another directory

import sys
# sys.path is a list of absolute path strings
sys.path.append('/path/to/application/app/folder')

import file

how to import file from another directory in python

import sys
# sys.path is a list of absolute path strings
sys.path.append('/path/to/application/app/folder') # <-- relative path

import your_file