I couldn't find the code, but I guess that the error here is not occurring due to an isinstance call; apparently that is discouraged and is not common in the standard library: http://www.canonical.org/~kragen/isinstance/
On Wednesday, 15 May 2013 16:39:57 UTC-7, Keshav Kini wrote: > > Volker Braun <vbrau...@gmail.com <javascript:>> writes: > > > Anything that does isinstance(i,int) in the Python standard library > > is broken. Usually thats when multiple input types are allowed. In > > this case the argument to match.group() could be a string if you use > > the ?P<name> syntax to name the match group. > > Yup. For example the simplejson maintainer was even kind enough to patch > away such a piece of code for our purposes a little while ago, so that > we could provide Sage Integers as indentation widths in `json.dump`. > There is probably a lot of Python code out there which fits this > pattern. I guess one could claim it's not Pythonic since it doesn't > follow duck typing. > > -Keshav > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
