code: def test_takes_provides():
      from speechbrain.utils.data_pipeline import takes, provides
  
      @takes("a")
      @provides("b")
      def a_to_b(a):
          return a + 1
  
      assert a_to_b(1) == 2
      a_to_b.reset()
      # Normal dynamic item can be called twice:
      assert a_to_b(1) == 2
      assert a_to_b(1) == 2
      # And it knows what it needs:
      assert a_to_b.next_takes() == ("a",)
      # And it knows what it gives:
      assert a_to_b.next_provides() == ("b",)
  
imports: import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_takes_provides() and returns: unknown