parameters: (graph_def)
return_statement: return modify_node_names(graph_def, {
          node.name: node.name[1:]
          for node in graph_def.node
          if node.name[0] == "_"
      })
docstring: remove '_' from node names. '_' at the beginning of node names indicate internal ops
      which might cause TB to complain
docstring_summary: remove '_' from node names. '_' at the beginning of node names indicate internal ops
      which might cause TB to complain
docstring_tokens: remove _ from node names . _ at the beginning of node names indicate internal ops which might cause TB to complain
function: def sanitize_node_names(graph_def):
      '''
      remove '_' from node names. '_' at the beginning of node names indicate internal ops
      which might cause TB to complain
      '''
      return modify_node_names(graph_def, {
          node.name: node.name[1:]
          for node in graph_def.node
          if node.name[0] == "_"
      })
function_tokens: def sanitize_node_names ( graph_def ) : return modify_node_names ( graph_def , { node . name : node . name [ 1 : ] for node in graph_def . node if node . name [ 0 ] == "_" } )