add path

Sampling-based Planning/rrt_2D/rrt_star.py

@@ -3,13 +3,17 @@ RRT_star 2D
 @author: huiming zhou
 """
 
+import math
+import numpy as np
+import os
+import sys
+
+sys.path.append(os.path.dirname(os.path.abspath(__file__)) +
+                "/../../Sampling-based Planning/")
 
 from rrt_2D import env
 from rrt_2D import plotting
 
-import numpy as np
-import math
-
 
 class Node:
     def __init__(self, n):