I was created example from http://docs.xlwings.org/en/stable/vba.html /Python 3.5.1 |Anaconda 2.5.0 (32-bit)| (default, Jan 29 2016, 15:46:01)/ and got error
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Error
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Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Python3\mymodule.py", line 7, in rand_numbers
n = int(Range('Sheet1', 'B1').value) # Write desired dimensions into Cell B1
File "C:\Python3\lib\site-packages\xlwings\main.py", line 701, in __init__
self.xl_sheet = xlplatform.get_worksheet(self.xl_workbook, sheet_name_or_index)
File "C:\Python3\lib\site-packages\xlwings\_xlwindows.py", line 240, in get_worksheet
return xl_workbook.Sheets(sheet)
File "C:\Python3\lib\site-packages\win32com\client\dynamic.py", line 192, in __call__
return self._get_good_object_(self._oleobj_.Invoke(*allArgs),self._olerepr_.defaultDispatchName,None)
pywintypes.com_error: (-2147352567, 'Exception occurred.', (0, None, None, None, 0, -2147352565), None)
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OK
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Hey so the error means:
>>> import win32api
>>> win32api.FormatMessage(-2147352565)
'Invalid index.\r\n'
So my guess is that you're trying to write to an inexistent sheet (and yes, we shall be working on easier-to-understand error messages...)