[ERROR ] : AttributeError module 'collections' has no attribute 'Mapping'

[mjkubba]

Describe the bug
Getting [ERROR ] : AttributeError module 'collections' has no attribute 'Mapping' with python 3.10

To Reproduce
Steps to reproduce the behavior:

• With Python 3.10
• Install using pip,
• run taskcat test run

1. Are you testing a QuickStart or Custom template?
   Custom
2. Attach or link a copy of the template if possible (remove any sensitive info)
   Same behavior with any template
3. Provide the parameters that you passed. (remove any sensitive info)
   none
4. How did you install taskcat? (docker or pip3)
   pip3
5. Are you using a profile, an instance role or access keys to run taskcat?
   profile
6. Is your AWS environment configured via aws configure?
   yes
   Expected behavior
   running the test

Screenshots
If applicable, add screenshots to help explain your problem.

**Version (Please make sure you are running the latest version of taskcat)

• Taskcat Version (version 0.9.29)

Note: Python Version (python3 required)

To find versions:
Via taskcat: taskcat -V
Via pip3: pip3 show taskcat

Note: both version should match

To update taskcat run:
for docker : docker pull taskcat/taskcat
for pip3: pip3 install --upgrade taskcat

Additional context
Add any other context about the problem here.

[brianloyal]

Try running with Python 3.8 - seems like an issue with newer versions

[mjkubba]

Ended up doing that, using cloud9 with python3.7 instead, but I think this should be fixed longterm.

[andrew-glenn]

3.9+ support is pending #626