message: Remove enumerate
diff: @@ -175,7 +175,7 @@ class Landscape(BaseEstimator, TransformerMixin):
  Xfit = []
  x_values = self.im_range
  - for i, diag in enumerate(X):
  + for diag in X:
  midpoints, heights = (diag[:, 0] + diag[:, 1]) / 2., (diag[:, 1] - diag[:, 0]) / 2.
  tent_functions = np.maximum(heights[None, :] - np.abs(x_values[:, None] - midpoints[None, :]), 0)
  tent_functions.partition(diag.shape[0] - self.num_landscapes, axis=1)
  