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

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

Author: pre-commit-ci[bot]

mypy/nodes.py

@@ -1829,10 +1829,14 @@ class IfStmt(Statement):
 
     expr: list[Expression]
     body: list[Block]
-    else_body: Block | None  # If there is actually no else statement, semantic analysis may nevertheless
+    else_body: (
+        Block | None
+    )  # If there is actually no else statement, semantic analysis may nevertheless
     #                          create an empty else block and mark it permanently as unreachable to tell
     #                          that the control flow must always go through the if block.
-    unreachable_else: bool  # Type checking may modify this flag repeatedly to indicate whether an actually
+    unreachable_else: (
+        bool  # Type checking may modify this flag repeatedly to indicate whether an actually
+    )
     #                         available or unavailable else block is unreachable, considering the currently
     #                         available type information.