code: def get_days_from_epoch(
      date: Optional[datetime.date],
  ) -> Optional[int]:
      if date is None:
          return None
      return (date - datetime.date(1970, 1, 1)).days
  
imports: import datetime
  import io
  import pathlib
  from typing import Optional
  import fastavro
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.testing._utils import assert_eq
  from cudf.testing.dataset_generator import rand_dataframe
label_desc: Use image node_id 11 for calling a global function with example usage: get_days_from_epoch(date) and returns: unknown, None