I have been stuck for some time. My configuration is: python 3.5, xlwings 0.5.0 and Windows 7. I get the following traceback while trying
python 3.5
xlwings 0.5.0
Windows 7
I finally isntalled pywin32 from here, as suggested by Felix Zumstein. After a bit of cleaning in my Python 3.5 folders (site-packages), xlwings finally worked.
site-packages
xlwings