Just a FYI, I back ported this fix to 1.5.6 which should apply pretty easily to the version of pip in testing and unstable. Essentially it will use a random and securely created build directory in most every situation except the one that relies on having a predictable build directory.
The patch is here: https://bpaste.net/show/05df2f100c93 I'm not sure what (if anything) I can do to help get this issue fixed other than provide that patch. --- Donald Stufft PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org