Handle file opening using with statement.
Handle file opening using with statement.

Fix ResourceWarning...

/usr/local/lib/python3.7/site-packages/shap/plots/force.py:155: ResourceWarning: unclosed file <_io.TextIOWrapper name='/usr/local/lib/python3.7/site-packages/shap/plots/resources/bundle.js' mode='r' encoding='utf-8'>
  bundle_data = io.open(bundle_path, encoding="utf-8").read()
slundberg/shap,slundberg/shap,slundberg/shap,slundberg/shap