code: def _timestamp_in_seconds(dt: datetime) -> int:
      du = dt - EPOCH_UTC
      return du.days * SECONDS_PER_DAY + du.seconds
  
imports: from __future__ import annotations
  import sys
  from datetime import datetime, time, timedelta, timezone
  from decimal import Context
  from functools import lru_cache
  from typing import TYPE_CHECKING, Any, Callable, Sequence, TypeVar, overload
  from polars.dependencies import _ZONEINFO_AVAILABLE, zoneinfo
label_desc: Use image node_id 1 for calling a global function with example usage: _timestamp_in_seconds(dt) and returns: unknown