code: def call(cls, op, inp):
      method_kwargs = op.method_kwargs
      others = method_kwargs.get("others")
  
      if others is None:
          from ..reduction import build_str_concat_object
  
          return build_str_concat_object(
              inp,
              sep=op.method_kwargs.get("sep"),
              na_rep=op.method_kwargs.get("na_rep"),
          )
      elif isinstance(others, (tuple, list, np.ndarray, TENSOR_TYPE)):
          others = astensor(others, dtype=object)
          if others.ndim != 1:
              raise TypeError(cls.CAT_TYPE_ERROR)
          if (
              not np.isnan(inp.shape[0])
              and not np.isnan(others.shape[0])
              and inp.shape[0] != others.shape[0]
          ):
              raise ValueError(cls.CAT_LEN_ERROR)
          inputs = [inp]
          if isinstance(others, TENSOR_TYPE):
              inputs.append(others)
          return op.new_series(
              inputs,
              shape=inp.shape,
              dtype=inp.dtype,
              index_value=inp.index_value,
              name=inp.name,
          )
      elif isinstance(others, (pd.Series, SERIES_TYPE)):
          others = asseries(others)
          if (
              op.method_kwargs.get("join") != "outer"
          ):  # pragma: no cover
              raise NotImplementedError(
                  "only outer join supported for now"
              )
          return op.new_series(
              [inp, others],
              shape=inp.shape,
              dtype=inp.dtype,
              index_value=infer_index_value(
                  inp.index_value, others.index_value
              ),
              name=inp.name,
          )
      elif (
          isinstance(others, str)
          and op.method_kwargs.get("sep") is None
      ):
          raise ValueError("Did you mean to supply a `sep` keyword?")
      else:
          raise TypeError(cls.CAT_TYPE_ERROR)
  
imports: import inspect
  import numpy
  import pandas
  from ...None import opcodes
  from ...core import OutputType, recursive_tile
  from ...serialization.serializables import KeyField, StringField, TupleField, DictField
  from ...tensor import tensor
  from ...tensor.core import TENSOR_TYPE
  from ...utils import has_unknown_shape
  from ..align import align_series_series
  from ..core import SERIES_TYPE
  from ..initializer import Series
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import build_empty_series, parse_index, infer_index_value
label_desc: Use image node_id 1 for calling the SeriesStringCatHandler obj's underlying member method code with example usage: obj.call(cls, op, inp) and returns: build_str_concat_object, op, op