CalledProcessError: Command '['/opt/venv/lib/python3.7/site-packages/hm_pyhelper/gateway_mfr', '--path', '/dev/i2c-7', 'key', '0']' returned non-zero exit status 1.
File "hm_pyhelper/miner_param.py", line 45, in run_gateway_mfr
check=True
File "subprocess.py", line 487, in run
output=stdout, stderr=stderr)
gateway_mfr exited with a non-zero status