GitHub Action formats our code with psf/black (#1569)

* GitHub Action formats our code with psf/black

@poyea Your review please.

* fixup! Format Python code with psf/black push

dynamic_programming/longest_increasing_subsequence_o(nlogn).py

@@ -6,6 +6,7 @@
 #############################
 from typing import List
 
+
 def CeilIndex(v, l, r, key):
     while r - l > 1:
         m = (l + r) // 2
@@ -49,4 +50,5 @@ def LongestIncreasingSubsequenceLength(v: List[int]) -> int:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()