docs: def quadrature_weights(Ntheta):
      """Fourier-space weights needed to evaluate I_{mm'}
  
      This is mostly an internal function, included here for backwards compatibility.  See map2salm
      and salm2map for more useful functions.
  
      """
      import numpy as np
      weights = np.empty(2*(Ntheta-1), dtype=np.complex128)
      _quadrature_weights(Ntheta, weights)
      return weights