new_contents: import numpy as np
  
  from tensorpac.utils import PacVec, PacSignals
  from tensorpac import Pac
  
  def test_pacvec():
      """Test the definition of PAC vectors."""
      assert PacVec()
      assert PacVec(pha=(1, 30, 2, 2), amp=(60, 200, 10, 5))
      assert PacVec(pha=[1, 2], amp=np.arange(50))
      assert PacVec(pha=[[1, 2], [5, 7]], amp=[60, 150])
  
  def test_pacsignals():
      """Test the definitino of artificially coupled signals."""
      assert PacSignals(fpha=5, famp=130, sf=512, ndatasets=23, tmax=3, chi=0.9,
                        noise=2, dpha=35, damp=46)
  
  def test_pacdefinition():
      """Test the definition of pac inputs."""
      pass
subject: Add basic nosetests