code: def view_conflicts(L, normalize=True, colorbar=True):
      
      L = L.todense() if sparse.issparse(L) else L
      C = _get_conflicts_matrix(L, normalize=normalize)
      plt.imshow(C, aspect="auto")
      plt.title("Conflicts")
      if colorbar:
          plt.colorbar()
      plt.show()
docs: Display an [m, m] matrix of conflicts