ValueError: All arrays must be of the same length

[qinxiaopang]

File "gsp_disaggregator.py", line 71, in
power_series, appliance_signatures = gsp.generate_appliance_powerseries(appliance_pairs, delta_p)
File "/home/qzx/nilm/gsp_support.py", line 210, in generate_appliance_powerseries
power_series[i] = pd.DataFrame({'timestamp':timeseq,'power':powerseq})
File "/home/qzx/.local/lib/python3.8/site-packages/pandas/core/frame.py", line 709, in init
mgr = dict_to_mgr(data, index, columns, dtype=dtype, copy=copy, typ=manager)
File "/home/qzx/.local/lib/python3.8/site-packages/pandas/core/internals/construction.py", line 481, in dict_to_mgr
return arrays_to_mgr(arrays, columns, index, dtype=dtype, typ=typ, consolidate=copy)
File "/home/qzx/.local/lib/python3.8/site-packages/pandas/core/internals/construction.py", line 115, in arrays_to_mgr
index = _extract_index(arrays)
File "/home/qzx/.local/lib/python3.8/site-packages/pandas/core/internals/construction.py", line 655, in _extract_index
raise ValueError("All arrays must be of the same length")
ValueError: All arrays must be of the same length