Update check_python(minimum=3.6.2)

[glenn-jocher]

In looking at the torch package they have a minimum of 3.6.2, we should probably stick to that, which I think will keep the R Pi people happy who run on 3.6.9.
https://pypi.org/project/torch/

🛠️ PR Summary

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🌟 Summary

Updated the minimum required Python version for compatibility.

📊 Key Changes

• The minimum Python version check has been lowered from 3.7.0 to 3.6.2.

🎯 Purpose & Impact

• Purpose: This change makes the software accessible to users who are running slightly older Python versions.
• Impact: Expands the user base by allowing installation on systems with Python 3.6.2+, while previously systems needed 3.7.0+. This can be particularly beneficial for those on environments with restrictions on software updates.🔄