message: Code cleanup: remove dead code.
diff: @@ -27,22 +27,6 @@ from tensorflow.python.autograph.pyct import templates
  from tensorflow.python.autograph.pyct.static_analysis import annos
  -class SymbolNamer(object):
  - """Describes the interface for ControlFlowTransformer's namer."""
  -
  - def new_symbol(self, name_root, reserved_locals):
  - """Generate a new unique symbol.
  -
  - Args:
  - name_root: String, used as stem in the new name.
  - reserved_locals: Set(string), additional local symbols that are reserved
  - and which should not be used.
  - Returns:
  - String.
  - """
  - raise NotImplementedError()
  -
  -
  class ControlFlowTransformer(converter.Base):
  """Transforms control flow structures like loops an conditionals."""
  