example_modal_decomposition_data.py not working

[RemiLehe]

When trying to run example_modal_decomposition_data.py, I get the following error:

/Users/rlehe/Documents/codes/lasy/lasy/utils/mode_decomposition.py:140: ComplexWarning: Casting complex values to real discards the imaginary part
  coeffTest[i] = np.sum(profile * field)
Estimated w0 = 13.20 microns
/Users/rlehe/Documents/codes/lasy/lasy/utils/mode_decomposition.py:91: ComplexWarning: Casting complex values to real discards the imaginary part
  if math.isnan(coef):
Traceback (most recent call last):
  File "/Users/rlehe/Documents/codes/lasy/examples/example_modal_decomposition_data.py", line 59, in <module>
    reconstructedProfile = modeCoeffs[
                           ^^^^^^^^^^^
  File "/Users/rlehe/Documents/codes/lasy/lasy/profiles/profile.py", line 67, in __rmul__
    return ScaledProfile(self, factor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/rlehe/Documents/codes/lasy/lasy/profiles/profile.py", line 128, in __init__
    assert isinstance(factor, (int, float)), "The factor must be a number."
AssertionError: The factor must be a number.