class_docstr: Quick check for Python features we know we don't support.
  
  Any features detected will cause AutoGraph to not compile a function.
code: def visit_For(self, node):
      if node.orelse:
          raise errors.UnsupportedLanguageElementError(
              "for/else statement not yet supported"
          )
      self.generic_visit(node)
  
file_path: tensorflow/tensorflow/python/autograph/core/unsupported_features_checker.py
imports: import gast
  from tensorflow.python.autograph.pyct import errors
label_desc: Use image node_id 2 for calling the UnsupportedFeaturesChecker obj's underlying member method code with example usage: obj.visit_For(node) without return types