how to import module only once in python behave step files -

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i new python , behave. in step file, test_steps.py, have imported following: 

from behave import given, when, then, step behave_http.steps import * datetime import datetime import time import pdb import xmltodict import requests

if created step file, test2_steps.py, had import above again. there way avoid that?

thank help!

it's useful know imports given file; however, can following:

config.py

from behave import given, when, then, step behave_http.steps import * datetime import datetime import time import pdb import xmltodict import requests

test2_steps.py

from config import * #other code here

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