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

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

Author: pre-commit-ci[bot]

data_structures/binary_tree/splay_tree.py

@@ -64,7 +64,7 @@ def _splay(self, x):
                     self._right_rotate(p)
                 else:
                     self._left_rotate(p)
-            elif p.left == x and g.left == p:                # Zig-Zig
+            elif p.left == x and g.left == p:  # Zig-Zig
                 if p.left == x and g.left == p:
                     self._right_rotate(g)
                     self._right_rotate(p)