code: def data_table():
      data_table = pa.Table.from_pydict(
          {
              "a": pa.array([1, 2, 3]),
              "b": pa.array(["a", "b", "c"]),
              "c": pa.array(["x", "y", "z"]),
          }
      )
      return data_table
  
imports: import pytest
  from datetime import timedelta
  import pyarrow
label_desc: Use image node_id 1 for calling a global function with example usage: data_table() and returns: data_table