code: def __call__(self, dep=None):
      self._output_types = [OutputType.tensor]
      if dep:
          deps = [dep]
      else:
          deps = None
      return self.new_tileable(
          deps, shape=(len(self.workers),), dtype=np.dtype(int)
      )
  
imports: import itertools
  import socket
  import numpy
  from ...None import opcodes
  from ...core.operand import OperandStage
  from ...serialization.serializables import FieldTypes, Int32Field, ListField, StringField
  from ...tensor.merge import TensorConcatenate
  from ...utils import get_next_port
  from ..operands import LearnOperand, LearnOperandMixin, OutputType
label_desc: Use image node_id 5 for calling the CollectPorts obj's underlying member method code with example usage: obj.__call__(dep) and returns: self