wrap call to install_site_py method in try/except
wrap call to install_site_py method in try/except

This method does not exist as of setuptools 0.49

rgommers/pywt,grlee77/pywt,grlee77/pywt,PyWavelets/pywt,rgommers/pywt,rgommers/pywt,rgommers/pywt,PyWavelets/pywt