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I came across a similar issue as #3164 with a column named
'mask'
. This time, it was a conflict with DataFrame's function calledmask
(https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.mask.html).Here is an example I took from a tutorial that uses ColReader to reproduce the issue:
https://gist.github.com/hiromis/e371603e71543cd7cca9cea7dfcc7609
I could have added 'mask' to a list of special cases along with 'name' and 'cat', but I thought checking whether
r
is a namedtuple containing a fieldc
may be cleaner.The existing tests ran fine, and I also did a sanity check using the example notebook:
https://gist.github.com/hiromis/7a0863072694faa5a0f6fb0bbcb3d2da