Update app.py

app.py

@@ -108,7 +108,7 @@ def infer(image_in):
                     cv2.circle(img, arrow_tail, 3, (255, 0, 0), cv2.FILLED)
                     # Calculate length and angle
                     arrow_length = get_length(arrow_tip, arrow_tail)
-                    arrow_angle = get_angle(arrow_tip, arrow_tail)
+                    arrow_angle = get_clockwise_angle(arrow_tip, arrow_tail)
                     # Draw arrow on the same blank image
                     draw_arrow(img_result, arrow_tip, arrow_tail, arrow_length, arrow_angle)