anchor.diff:        sha256 = "1j4f51dxic39mdwf6alj7gd769wy6mhk916v031wjali51xkh3xb";
       };
   
  -    buildInputs = with self; [ hypothesis1 sqlite3 ];
  +    buildInputs = with self; [ hypothesis sqlite3 ];
   
       propagatedBuildInputs = with self; [ chardet ];
   
  
positive.code:     };
  
      buildInputs = [ pkgs.openssl self.pretend self.cryptography_vectors
                      self.iso8601 self.pyasn1 self.pytest_29 self.py self.hypothesis1 self.pytz ]
                 ++ optional stdenv.isDarwin pkgs.darwin.apple_sdk.frameworks.Security;
      propagatedBuildInputs = with self; [ six idna ipaddress pyasn1 cffi pyasn1-modules modules.sqlite3 pytz ]
       ++ optional (pythonOlder "3.4") self.enum34;
  
negative.code: 
      buildInputs = with self;
        [
          hypothesis
          pytestcache
          pytestcov
          pytestflakes
  