text: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  # pylint: disable=no-else-return, unidiomatic-typecheck, unused-import
  """The base node types for the Relay language."""
  import os
  import tvm._ffi
  
  from tvm.runtime import Object
  from tvm.ir import SourceName, Span, Node as RelayNode
  
  
  __STD_PATH__ = os.path.join(os.path.dirname(os.path.realpath(__file__)), "std")
  
  
  @tvm._ffi.register_func("tvm.relay.std_path")
  def _std_path():
      return __STD_PATH__
  
  
  @tvm._ffi.register_object("relay.Id")
  class Id(Object):
      """Unique identifier(name) used in Var.
         Guaranteed to be stable across all passes.
      """
      def __init__(self):
          raise RuntimeError("Cannot directly construct Id")
  