Update app.py

app.py

@@ -172,8 +172,8 @@ def save_dxf_spline(inflated_contours, scaling_factor, height):
 
     for contour in inflated_contours:
         # Ensure contour has enough points
-        if len(contour) < spline_degree + 1:
-            raise gr.Error(f"Contour must have at least {spline_degree + 1} points, but has {len(contour)} points.")
+        if len(contour) < degree + 1:
+            raise gr.Error(f"Contour must have at least {degree + 1} points, but has {len(contour)} points.")
         try:
             # resampled_contour = resample_contour(contour)
             points = [