code: def test_normpath_issue5827(self):
      # Make sure normpath preserves unicode
      for path in ("", ".", "/", "\\", "///foo/.//bar//"):
          self.assertIsInstance(self.pathmodule.normpath(path), str)
  
imports: import genericpath
  import os
  import sys
  import unittest
  import warnings
  from test.support import is_emscripten
  from test.support import os_helper
  from test.support import warnings_helper
  from test.support.script_helper import assert_python_ok
  from test.support.os_helper import FakePath
label_desc: Use image node_id 7 for calling the CommonTest obj's underlying member method code with example usage: obj.test_normpath_issue5827() without return types