diff --git a/src/textmate_grammar/elements.py b/src/textmate_grammar/elements.py
index e026e9b..cfec9cd 100644
--- a/src/textmate_grammar/elements.py
+++ b/src/textmate_grammar/elements.py
@@ -2,9 +2,10 @@
 
 from abc import ABC
 from collections import defaultdict
+from collections.abc import Generator
 from itertools import groupby
 from pprint import pprint
-from typing import TYPE_CHECKING, Generator
+from typing import TYPE_CHECKING
 
 from .handler import POS, ContentHandler, Match, Pattern
 from .utils.logger import LOGGER
diff --git a/src/textmate_grammar/utils/logger.py b/src/textmate_grammar/utils/logger.py
index 0a607e0..baef92c 100644
--- a/src/textmate_grammar/utils/logger.py
+++ b/src/textmate_grammar/utils/logger.py
@@ -114,7 +114,7 @@ def format_message(
         else:
             msg_id = "." * self.max_token_length
 
-        vb_message = f"{'|'*(depth-1)}{'-'*bool(depth)}{message}"
+        vb_message = f"{'|' * (depth - 1)}{'-' * bool(depth)}{message}"
 
         if len(vb_message) > MAX_LENGTH:
             half_length = min([(MAX_LENGTH - 6) // 2, (len(vb_message) - 6) // 2])