anchor.diff:  }:
   
   buildPythonPackage rec {
  -  version = "0.35.0";
  +  version = "0.36.2";
     pname = "numba";
  -  name = "${pname}-${version}";
   
  -  src = fetchurl {
  -    url = "mirror://pypi/n/numba/${name}.tar.gz";
  -    sha256 = "11564937757605bee590c5758c73cfe9fd6d569726b56d970316a6228971ecc3";
  +  src = fetchPypi {
  +    inherit pname version;
  +    sha256 = "d61597808ce511e81b64e32da664f52beb7d947bf834dde8b8b60b29d205e5c2";
     };
   
     NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";
  
positive.code: { stdenv
  , fetchurl
  , python
  , buildPythonPackage
  , isPy27
  
negative.code: 
    # Copy test script into $out and run the test suite.
    checkPhase = ''
      ${python.interpreter} -m numba.runtests
    '';
    # ImportError: cannot import name '_typeconv'
    doCheck = false;
  