in utils/wheel_feeder.py [0:0]
def _prompt_for_credentials(self):
"""
Prompts the user for username and password interactively
"""
print("In order to be able to upload Participants, you need to authenticate.")
print("Provide credentials of one of the valid users stored in Cognito User Pool")
self._username = input('Username: ')
self._password = getpass.getpass('Password: ')