pythonPackages.cffi: remove unnecessary compiler flag

I thought this was necessary but it doesn't appear to be after all
2016-07-19 07:57:42 -04:00 · 2016-07-19 07:57:42 -04:00 · bb1e00dcb5
commit bb1e00dcb5
parent b1bab4c93f
1 changed files with 0 additions and 2 deletions
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@ -4379,8 +4379,6 @@ in modules // {
      substituteInPlace testing/cffi0/test_ownlib.py --replace "gcc" "cc"
    '';

-    NIX_CFLAGS_COMPILE="-Wno-shift-negative-value";
-
    checkPhase = ''
      py.test
    '';