Update trajectory.py

trajectory.py

@@ -21,3 +21,4 @@ def draw_trajectory_overlay(frame, coeffs, x_range=(0, 1280)):
     if len(points) >= 2:
         cv2.polylines(frame, [np.array(points, np.int32)], False, (255, 0, 0), 2)
     return frame
+