<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hi all, I am encountering a cython (version 0.23 on fedora 23) error when trying to compile rivet default branch (fresh checkout): <blockquote>core.pyx:140:11: '!' operator not defined for unique_ptr[Analysis] </blockquote> Does anyone else see that? If not, what version of cython are you running? Thanks, Holger </body> </html>