[Numpy-discussion] Return item rather than scalar for user defined types

Hello All, Yesterday I opened PR #4889 to solve a problem I have been having w.r.t. xdress and Nathaniel asked me bring the issue up here. The PR itself is quite small (6 lines?) and is easy to review. The opening text of my PR is pasted below because I

Re: [Numpy-discussion] Bug in genfromtxt with usecols and converters

Hi Derek, > But you are right that the problem with using the first_values, which should > of course be valid, > somehow stems from the use of usecols, it seems that in that loop > > for (i, conv) in user_converters.items(): > > i in user_converters and in usecols get out of sync. This cert

Re: [Numpy-discussion] Bug in genfromtxt with usecols and converters

Hi Adrian, >> not sure whether to call it a bug; the error seems to arise before reading >> any actual data >> (even on reading from an empty string); when genfromtxt is checking the >> filling_values used >> to substitute missing or invalid data it is apparently testing on default >> testing v

Re: [Numpy-discussion] Bug in genfromtxt with usecols and converters

Hi Derek, thanks for your answer. > not sure whether to call it a bug; the error seems to arise before reading > any actual data > (even on reading from an empty string); when genfromtxt is checking the > filling_values used > to substitute missing or invalid data it is apparently testing on def

Re: [Numpy-discussion] Bug in genfromtxt with usecols and converters

Hi Adrian, > I tried to load data from a csv file into numpy using genfromtxt. I need > only a subset of the columns and want to apply some conversions to the > data. attached is a minimal script showing the error. > In brief, I want to load columns 1,2 and 4. But in the converter > function for t