Panel pct_change bug · Issue #6904 · pandas-dev/pandas (original) (raw)

  File "z:\code\m.py", line 420, in get_panel
    self.source_panel.pct_change()
  File "c:\anaconda\lib\site-packages\pandas\core\generic.py", line 3418, in pct_change
    rs = data / data.shift(periods=periods, freq=freq, **kwds) - 1
TypeError: shift() got an unexpected keyword argument 'periods'