SystemError: Parent module 'sympy.core' not loaded, cannot perform relative import
When I try to run the following: expr=sqrt(pi)*(sqrt(2)*(1 - I)*erf(sqrt(-I)) + sqrt(2)*(-1 + I)*erf(sqrt(2)*(-1/2 + I/2)) + sqrt(2)*(1 + I)*erf((-1)**(1/4)) + sqrt(2)*(1 + I)*erf(sqrt(2)*(1/2 + I/2)))/16 expr.round(15) -- 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 [email protected]. To post to this group, send email to [email protected]. 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/dbae7bf9-b1d8-488f-9275-3706223faaea%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
