have a try,got one error report

[shuxinjin]

Saving to pickle

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Traceback (most recent call last):
File "C:\milize\Reconize\Adv_Fin_ML\Examples\volume_bar.py", line 254, in
col_index=3
File "C:\milize\Reconize\Adv_Fin_ML\Examples\volume_bar.py", line 81, in create_bars
cur_bar_end = cur_bar_start_ts + pd.Timedelta(bar_volume, unit='seconds')
File "pandas_libs\tslibs\timedeltas.pyx", line 1020, in pandas._libs.tslibs.timedeltas.Timedelta.new
File "pandas_libs\tslibs\timedeltas.pyx", line 136, in pandas._libs.tslibs.timedeltas.convert_to_timedelta64
File "pandas_libs\tslibs\timedeltas.pyx", line 225, in pandas._libs.tslibs.timedeltas.cast_from_unit
ValueError: cannot cast unit seconds