Fix python virtual environment setup #242
Merged
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What?
Fixes the bugs that broke a Mava run when using a Python virtual environment.
Why?
Running an example crashes if you only follow the readme instructions for getting Mava running in a local virtual environment. This is because the smac and array2gif modules are still required. Mava now does not crash anymore and these packages are now optional.
How?
Updated the wrapper files with try and except statements to not crash the program when the modules are not found.
Extra