revert changes as unit tests are failing
revert changes as unit tests are failing

rgommers/pywt,rgommers/pywt,PyWavelets/pywt,eriol/pywt,rgommers/pywt,grlee77/pywt,rgommers/pywt,michelp/pywt,michelp/pywt,PyWavelets/pywt,eriol/pywt,eriol/pywt,michelp/pywt,grlee77/pywt