code: def test_perceptron() -> None:
      func = problems.Perceptron.from_mlda(name="quadratic").copy()
      output = func(list(range(10)))
      np.testing.assert_almost_equal(output, 876.837, decimal=4)
      np.testing.assert_equal(func.descriptors["name"], "quadratic")
  
file_path: nevergrad/nevergrad/functions/mlda/test_problems.py
imports: from unittest.mock import patch
  import numpy
  import pandas
  from ...common import testing
  from .None import problems
label_desc: Use image node_id 4 for calling a global function with example usage: test_perceptron() without return types