class_docstr: The implementation of InternalWindowProcessFunction for PanedWindowAssigner.
class_docstr_tok: ["The","implementation","of","InternalWindowProcessFunction","for","PanedWindowAssigner","."]
code: def _is_pane_late(self, pane: W):
      # whether the pane is late depends on the last window which the pane is belongs to is late
      return (
          self._window_assigner.is_event_time()
          and self.is_window_late(
              self._window_assigner.get_last_window(pane)
          )
      )
  
imports: from abc import abstractmethod, ABC
  from typing import Generic, List, Iterable, Dict, Set
  from pyflink.common import Row
  from pyflink.common.constants import MAX_LONG_VALUE
  from pyflink.datastream.state import MapState
  from pyflink.fn_execution.table.window_assigner import WindowAssigner, PanedWindowAssigner, MergingWindowAssigner
  from pyflink.fn_execution.table.window_context import Context, K, W
label_desc: Use image node_id 6 for calling the PanedWindowProcessFunction obj's underlying member method code with example usage: obj._is_pane_late(pane) and returns: unknown