Remove directory during clean command only if it exists
Remove directory during clean command only if it exists

rgommers/pywt,eriol/pywt,michelp/pywt,PyWavelets/pywt,PyWavelets/pywt,eriol/pywt,rgommers/pywt,Dapid/pywt,nigma/pywt,rgommers/pywt,rgommers/pywt,ThomasA/pywt,nigma/pywt,ThomasA/pywt,michelp/pywt,aaren/pywt,ThomasA/pywt,Dapid/pywt,eriol/pywt,grlee77/pywt,kwohlfahrt/pywt,nigma/pywt,grlee77/pywt,aaren/pywt,kwohlfahrt/pywt,kwohlfahrt/pywt,aaren/pywt,Dapid/pywt,michelp/pywt