[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_sorts.py

@@ -1,8 +1,9 @@
 from sorts.heap_sort import heap_sort
 
+
 def test_heap_sort():
     assert heap_sort([]) == []
     assert heap_sort([1]) == [1]
-    assert heap_sort([5,2,5,1]) == [1,2,5,5]
-    assert heap_sort([1,2,3,4]) == [1,2,3,4]
-    assert heap_sort([5,4,3,2,1]) == [1,2,3,4,5]
+    assert heap_sort([5, 2, 5, 1]) == [1, 2, 5, 5]
+    assert heap_sort([1, 2, 3, 4]) == [1, 2, 3, 4]
+    assert heap_sort([5, 4, 3, 2, 1]) == [1, 2, 3, 4, 5]