removed white space

Signed-off-by: george.ridal <george.ridal@findesign.com.au>

Author: vanridal

src/rez/tests/test_shells.py

@@ -618,7 +618,7 @@ def test_find_executable_config_override(self, shell):
             with open(exe_path, 'w'):
                 config.override(override_attr, exe_path)
                 assert cls.find_executable(cls.executable_name()) == exe_path
-        
+
 
 if __name__ == '__main__':
     unittest.main()