text: """
   Copyright (C) 2018-2020 Intel Corporation
  
   Licensed 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.
  """
  from mo.front.common.partial_infer.utils import int64_array
  from mo.front.common.replacement import FrontReplacementOp
  from mo.front.tf.graph_utils import create_op_with_const_inputs
  from mo.graph.graph import Node, Graph, rename_nodes
  from mo.ops.concat import Concat
  from mo.ops.unsqueeze import Unsqueeze
  
  
  class Pack(FrontReplacementOp):
      op = "Pack"
      enabled = True
  
      def replace_op(self, graph: Graph, node: Node):
          out_node = Concat(graph, {'axis': node.axis, 'in_ports_count': len(node.in_ports())}).create_node()
          pack_name = node.soft_get('name', node.id)
  
          for ind in node.in_ports():
              unsqueeze_node = create_op_with_const_inputs(graph, Unsqueeze, {1: int64_array([node.axis])},
                                                           {'name': node.soft_get('name', node.id) + '/Unsqueeze'})
              node.in_port(ind).get_connection().set_destination(unsqueeze_node.in_port(0))
              unsqueeze_node.out_port(0).connect(out_node.in_port(ind))
  
          rename_nodes([(node, pack_name + '/TBR'), (out_node, pack_name)])
          return [out_node.id]
  
  