added missing import statement

kanthuc · kanthuc · commit 8682782a0702 · 2020-08-17T18:40:56.000-07:00
diff --git a/data_structures/binary_tree/lazy_segment_tree.py b/data_structures/binary_tree/lazy_segment_tree.py
@@ -1,4 +1,5 @@
 import math
+from typing import List
 
 
 class SegmentTree:
