Command ['/bin/sh', '-c', ' PANDAS_CI=\'1\' python -c \'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db", "-n 2", "--no-strict-data-files"]); pd.test(extra_args=["-m not clipboard and single_cpu and not slow and not network and not db", "--no-strict-data-files"]);\' '] failed with code 1. None