[Numpy-discussion] genfromtxt and gzip

Ted To rainexpected at theo.to
Wed Jun 5 12:52:11 EDT 2013

Hi all,

>From the list archives (2011), I noticed that there is a bug in the
python gzip module that causes genfromtxt to fail with python 2 but this
bug is not a problem for python 3.  When I tried to use genfromtxt and
python 3 with a gzip'ed csv file, I instead got:

IOError: Mode rbU not supported

Is this a bug?  I am using python 3.2.3 and numpy 1.7.1 from the
experimental Debian repository.


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