Absolute imports:
from utils import get_log
Relative imports:
from .utils import get_log
This import line is in splunk/etc/apps/my_app/bin/myapp.py
path of utils splunk/etc/apps/my_app/bin/utils.py
@ahmad1950 - I have not tested it specifically. But I think you should be able to use all the features of Python as you use external Python.
I hope this helps!!!