Fix pre-commit failure

Author: Sohaib-Ahmed21

pytorch_forecasting/layers/_kan/_kan_layer.py

@@ -235,6 +235,6 @@ def get_grid(num_interval):
         grid = get_grid(num_interval)
         with torch.no_grad():
             new_grid = extend_grid(grid, k_extend=self.k)
-            self.grid.copy_(new_grid)  
+            self.grid.copy_(new_grid)
             new_coef = curve2coef(x_pos, y_eval, self.grid, self.k)
             self.coef.copy_(new_coef)  # this is a safe inplace copy