code: def _maybe_localize_point(
      ts, is_none, is_not_none, freq, tz, ambiguous, nonexistent
  ):  # pragma: no cover
      """
      Localize a start or end Timestamp to the timezone of the corresponding
      start or end Timestamp
  
      Parameters
      ----------
      ts : start or end Timestamp to potentially localize
      is_none : argument that should be None
      is_not_none : argument that should not be None
      freq : Tick, DateOffset, or None
      tz : str, timezone object or None
      ambiguous: str, localization behavior for ambiguous times
      nonexistent: str, localization behavior for nonexistent times
  
      Returns
      -------
      ts : Timestamp
      """
      # Make sure start and end are timezone localized if:
      # 1) freq = a Timedelta-like frequency (Tick)
      # 2) freq = None i.e. generating a linspaced range
      if is_none is None and is_not_none is not None:
          # Note: We can't ambiguous='infer' a singular ambiguous time; however,
          # we have historically defaulted ambiguous=False
          ambiguous = ambiguous if ambiguous != "infer" else False
          localize_args = {
              "ambiguous": ambiguous,
              "nonexistent": nonexistent,
              "tz": None,
          }
          if isinstance(freq, Tick) or freq is None:
              localize_args["tz"] = tz
          ts = ts.tz_localize(**localize_args)
      return ts
  
imports: import warnings
  from datetime import datetime, date, time
  import numpy
  import pandas
  from pandas import Timestamp, NaT
  from pandas.tseries.frequencies import to_offset
  from pandas.tseries.offsets import Tick
  from pandas._libs.tslibs import timezones
  from ...None import opcodes
  from ...config import options
  from ...core import OutputType
  from ...serialization.serializables import AnyField, Int64Field, BoolField, StringField
  from ...tensor.utils import decide_chunk_sizes
  from ...utils import pd_release_version, no_default
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import parse_index
label_desc: Use image node_id 4 for calling a global function with example usage: _maybe_localize_point(ts, is_none, is_not_none, freq, tz, ambiguous, nonexistent) and returns: ts