Update path-with-maximum-minimum-value.py

Author: kamyu104

Python/path-with-maximum-minimum-value.py

@@ -43,6 +43,9 @@ def check(A, val, r, c, lookup):
 
 # Time:  O(m * n * log(m * n))
 # Space: O(m * n)
+import heapq
+
+
 # Dijkstra algorithm solution
 class Solution2(object):
     def maximumMinimumPath(self, A):