code: def test_not_zero(value, expected_result):
      """Test that not_zero gives the expected results"""
      assert_almost_equal(not_zero(value), expected_result)
  
file_path: lmfit-py/tests/test_lineshapes.py
imports: import inspect
  import numpy
  from numpy.testing import assert_almost_equal
  import pytest
  import lmfit
  from lmfit.lineshapes import not_zero, tiny
label_desc: Use image node_id 1 for calling a global function with example usage: test_not_zero(value, expected_result) without return types