code: def do_mfa(self, args):
          
          
          parser = CommandArgumentParser("mfa")
          parser.add_argument(dest='token',help='MFA token value');
          parser.add_argument("-p","--profile",dest='awsProfile',default=AwsConnectionFactory.instance.getProfile(),help='MFA token value');
          args = vars(parser.parse_args(args))
  
          token = args['token']
          awsProfile = args['awsProfile']
          arn = AwsConnectionFactory.instance.load_arn(awsProfile)
  
          credentials_command = ["aws","--profile",awsProfile,"--output","json","sts","get-session-token","--serial-number",arn,"--token-code",token]
          output = run_cmd(credentials_command) # Throws on non-zero exit :yey:
  
          credentials = json.loads("\n".join(output.stdout))['Credentials']
          AwsConnectionFactory.instance.setMfaCredentials(credentials,awsProfile)
docs: Enter a 6-digit MFA token. Nephele will execute the appropriate
          `aws` command line to authenticate that token. 
  
          mfa -h for more details