parameters: (self, element_name)
return_statement: return self._node_traceback[node_name]
docstring: Try to retrieve the Python traceback of node's construction.
  
      Args:
        element_name: (`str`) Name of a graph element (node or tensor).
  
      Returns:
        (list) The traceback list object as returned by the `extract_trace`
          method of Python's traceback module.
  
      Raises:
        LookupError: If Python graph is not available for traceback lookup.
        KeyError: If the node cannot be found in the Python graph loaded.
docstring_summary: Try to retrieve the Python traceback of node's construction.
docstring_tokens: Try to retrieve the Python traceback of node s construction .
function: def node_traceback(self, element_name):
      """Try to retrieve the Python traceback of node's construction.
  
      Args:
        element_name: (`str`) Name of a graph element (node or tensor).
  
      Returns:
        (list) The traceback list object as returned by the `extract_trace`
          method of Python's traceback module.
  
      Raises:
        LookupError: If Python graph is not available for traceback lookup.
        KeyError: If the node cannot be found in the Python graph loaded.
      """
  
      if self._python_graph is None:
        raise LookupError("Python graph is not available for traceback lookup")
  
      node_name = debug_graphs.get_node_name(element_name)
      if node_name not in self._node_traceback:
        raise KeyError("Cannot find node \"%s\" in Python graph" % node_name)
  
      return self._node_traceback[node_name]
function_tokens: def node_traceback ( self , element_name ) : if self . _python_graph is None : raise LookupError ( "Python graph is not available for traceback lookup" ) node_name = debug_graphs . get_node_name ( element_name ) if node_name not in self . _node_traceback : raise KeyError ( "Cannot find node \"%s\" in Python graph" % node_name ) return self . _node_traceback [ node_name ]