And another one: File "/home/mysite/lib/python2.7/sympy/core/relational.py", line 103, in __nonzero__ raise TypeError("cannot determine truth value of\n%s" % self)
TypeError: cannot determine truth value of 3*pi/8 >= 7*pi/8 On Friday, July 10, 2015 at 1:12:06 AM UTC+3, Paul Royik wrote: > > Traceback is quite short: > > File "/home/mysite/lib/python2.7/sympy/core/relational.py", line 103, in > __nonzero__ > raise TypeError("cannot determine truth value of\n%s" % self) > > TypeError: cannot determine truth value of > pi/5 < 0 > > On Thursday, July 9, 2015 at 10:26:53 PM UTC+3, Aaron Meurer wrote: >> >> Is there a traceback with the error? Is it coming from SymPy code or >> your own code? >> >> Aaron Meurer >> >> On Thu, Jul 9, 2015 at 12:40 AM, Paul Royik <distan...@gmail.com> wrote: >> > I'm using sympy on my site together with django and mod_wsgi. >> > From time to time (i.e. this error is not reproducible) I've got the >> > following error: >> > TypeError: cannot determine truth value of >> > 3*pi/8 >= 7*pi/8 >> > >> > In other words, error is raised when I try to compare numerical values. >> > Can someone explain why is that and how can I avoid it? >> > >> > Thank you. >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups >> > "sympy" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to sympy+un...@googlegroups.com. >> > To post to this group, send email to sy...@googlegroups.com. >> > Visit this group at http://groups.google.com/group/sympy. >> > To view this discussion on the web visit >> > >> https://groups.google.com/d/msgid/sympy/8997bc44-a5d5-42d8-b818-32bc5c0153b8%40googlegroups.com. >> >> >> > For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/f1d7e20f-1c53-411d-a9eb-1e56a5246cc2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.