[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/test_binary_search_duplicates.py

@@ -1,8 +1,10 @@
 def test_binary_search_leftmost_duplicate():
     assert binary_search([1, 2, 2, 2, 3], 2) == 1
 
+
 def test_binary_search_all_duplicates():
     assert binary_search([1, 1, 1, 1], 1) == 0
 
+
 def test_binary_search_not_found():
-    assert binary_search([1, 2, 3], 4) == -1
+    assert binary_search([1, 2, 3], 4) == -1