Update app.py

app.py

@@ -171,11 +171,14 @@ def save_dxf_spline(inflated_contours, scaling_factor, height):
     msp = doc.modelspace()
 
     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.")
         try:
-            resampled_contour = resample_contour(contour)
+            # resampled_contour = resample_contour(contour)
             points = [
                 (x * scaling_factor, (height - y) * scaling_factor)
-                for x, y in resampled_contour
+                for x, y in contour
             ]
             if len(points) >= 3:
                 if np.linalg.norm(np.array(points[0]) - np.array(points[-1])) > 1e-2: