code: def testFromImport_NoChangeNeeded(self):
      text = "from bar import a as b"
      _, new_text = self._upgrade(RenameImports(), text)
      self.assertEqual(text, new_text)
  
imports: import ast
  import io
  import os
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
  from tensorflow.tools.compatibility import ast_edits
label_desc: Use image node_id 17 for calling the TestAstEdits obj's underlying member method code with example usage: obj.testFromImport_NoChangeNeeded() without return types