KeyError throwing when opening workbook #58
Description
Happens in the latest commit on the development branch
Traceback (most recent call last):
File "party.py", line 4, in <module>
wb = Workbook('Contact Us Form - Tasks.twbx')
File "/Users/tdoyle/Documents/py/envs/party/lib/python3.5/site-packages/tableaudocumentapi/workbook.py", line 49, in __init__
self._workbookRoot, self._datasource_index
File "/Users/tdoyle/Documents/py/envs/party/lib/python3.5/site-packages/tableaudocumentapi/workbook.py", line 148, in _prepare_worksheets
datasource.fields[column_name].add_used_in(worksheet_name)
File "/Users/tdoyle/Documents/py/envs/party/lib/python3.5/site-packages/tableaudocumentapi/multilookup_dict.py", line 66, in __getitem__
return dict.__getitem__(self, key)
KeyError: '[Account]'
Sending workbook via email since it's internal and I can't just toss it to GH :)