DOC: update doctests to pywt
DOC: update doctests to pywt

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