Problem with Python OOT module

Hi, I am trying to use an OOT module written by someone. The module is writen in Python and crashes on following line: ... self.avg = filter.single_pole_iir_filter_ff_make(1.0, self.fac_size) ^ AttributeError: module 'gnuradio.filter' has no attribute 'single_p

XMLRPC Client error

Dear GNU Radio Community, How to resolve this issue? Traceback (most recent call last): File "D:\GRC\Lib\site-packages\gnuradio\qtgui\range.py", line 198, in changed self.notifyChanged(self.rangeType(val)) File "D:\GRC\Lib\site-packages\gnuradio\qtgui\range.py", line 302, in sliderChanged