create_aws_lambda.py does not create zip file

[borograham]

I have been following your video
Everything works until I try: create_aws_lambda.py -i "AlexaHandler.py,main.py"
This generates some messages, but no zip file.

Collecting pyalexa-skill==0.2.1
Using cached pyalexa-skill-0.2.1.tar.gz
Installing collected packages: pyalexa-skill
Running setup.py install for pyalexa-skill ... done
Successfully installed pyalexa-skill-0.2.1
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 273, in
main(sys.argv[1:])
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 243, in main
_install_test_requirements(install_requirements, deployment_dir)
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 98, in _install_test_requirements
for requirement in deployment_requirements:
TypeError: 'NoneType' object is not iterable
Macmini-10DDB19DF417:PyAlexa graham$ create_aws_lambda.py -i "AlexaHandler.py,main.py"
Collecting pyalexa-skill==0.2.1
Using cached pyalexa-skill-0.2.1.tar.gz
Installing collected packages: pyalexa-skill
Running setup.py install for pyalexa-skill ... done
Successfully installed pyalexa-skill-0.2.1
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 273, in
main(sys.argv[1:])
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 243, in main
_install_test_requirements(install_requirements, deployment_dir)
File "/Library/Frameworks/Python.framework/Versions/2.7/bin/create_aws_lambda.py", line 98, in _install_test_requirements
for requirement in deployment_requirements:
TypeError: 'NoneType' object is not iterable

Please could you help?