Failed to import argparse?

[TheN00bBuilder]

[!] Failed to import the dependencies... Please make sure to install all of the requirements and try again.
Traceback (most recent call last):
  File "probeSniffer.py", line 25, in <module>
    parser = argparse.ArgumentParser(
NameError: name 'argparse' is not defined

Having this error when running. Yes, I did install all requirements. Python3 version is 3.5.3, so argparse is included/already installed. Any idea what is happening?