I001 for example_usage.py and test_kdtree.py

Author: Ramy-Badr-Ahmed

data_structures/kd_tree/example/example_usage.py

@@ -1,4 +1,5 @@
 import numpy as np
+
 from data_structures.kd_tree.build_kdtree import build_kdtree
 from data_structures.kd_tree.example.hypercube_points import hypercube_points
 from data_structures.kd_tree.nearest_neighbour_search import nearest_neighbour_search

data_structures/kd_tree/tests/test_kdtree.py

@@ -1,4 +1,5 @@
 import numpy as np
+
 from data_structures.kd_tree.build_kdtree import build_kdtree
 from data_structures.kd_tree.example.hypercube_points import hypercube_points
 from data_structures.kd_tree.kd_node import KDNode