[stderr]
/gpfs/share/apps/cellranger/arc-2.0.0/mro/atac/stages/analysis/generate_tf_matrix/__init__.py:106: RuntimeWarning: divide by zero encountered in true_divide
  return (matrix - medians) / MAD
/gpfs/share/apps/cellranger/arc-2.0.0/mro/atac/stages/analysis/generate_tf_matrix/__init__.py:106: RuntimeWarning: invalid value encountered in true_divide
  return (matrix - medians) / MAD
