ML Tutorial Style Guide Review

[DerekMelchin]

Expected Behavior

The tutorials in Research Environment > Machine Learning follow the rules in the style guide

• Keras
• TensorFlow
• Scikit-Learn
• Hmmlearn
• Gplearn
• PyTorch
• Stable Baselines
• Tslearn
• XGBoost
• Aesear

Actual Behavior

Some of the tutorials violate the style guide.

Checklist

• I have completely filled out this template
• I have confirmed that this issue exists on the current master branch
• I have confirmed that this is not a duplicate issue by searching issues