Check for python builtins being used as variables or parameters.
copied from cf-staging / flake8-builtinsconda install conda-forge::flake8-builtins
conda install conda-forge/label/cf201901::flake8-builtins
conda install conda-forge/label/cf202003::flake8-builtins
conda install conda-forge/label/gcc7::flake8-builtins