BUG: accept array_like input in `upcoef`.
BUG: accept array_like input in `upcoef`.

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