code: def test_read_data() -> None:
      data = _funcs.read_data("F4")
      testing.assert_set_equal(
          data.keys(), ["p", "s", "w", "xopt", "R50", "R25", "R100"]
      )
      assert data["R50"].shape == (50, 50)
      np.testing.assert_almost_equal(
          data["R100"][:2, :2],
          [
              [-0.04915187244640615, 0.09617611414762256],
              [0.04609873606566875, 0.07060894383640659],
          ],
      )
  
file_path: nevergrad/nevergrad/functions/lsgo/test_funcs.py
imports: from typing import List, Any, Callable
  import numpy
  from nevergrad.common import testing
  from .None import _funcs
label_desc: Use image node_id 2 for calling a global function with example usage: test_read_data() without return types