Command ['/bin/sh', '-c', 'python -c "import lightsim2grid" && python -c "from lightsim2grid import *" && python -c "from lightsim2grid.newtonpf import newtonpf" && python -c "from lightsim2grid.solver import KLUSolver" && python -c "from lightsim2grid import LightSimBackend" && python -c "from lightsim2grid import LightSimBackend; import grid2op; env = grid2op.make(\'l2rpn_case14_sandbox\', test=True, backend=LightSimBackend())"\n'] failed with code 1. None