diff --git a/src/crx_repo/__init__.py b/src/crx_repo/__init__.py
index 099a92f..48187f2 100644
--- a/src/crx_repo/__init__.py
+++ b/src/crx_repo/__init__.py
@@ -28,12 +28,12 @@
 
 
 def _setup_logger(logger: logging.Logger = _logger):
-    _fmt = logging.Formatter("%(asctime)s-%(levelname)s-%(message)s", "%Y-%m-%d %H:%M:%S")
+    fmt = logging.Formatter("%(asctime)s-%(levelname)s-%(message)s", "%Y-%m-%d %H:%M:%S")
     if len(logger.handlers) == 0:
         logger.addHandler(logging.StreamHandler())
     for handler in logger.handlers:
         handler.setLevel(logger.level)
-        handler.setFormatter(_fmt)
+        handler.setFormatter(fmt)
 
 
 def _parse_args() -> Namespace:
diff --git a/src/crx_repo/config/parser/parser.py b/src/crx_repo/config/parser/parser.py
index 7e749f8..96a169a 100644
--- a/src/crx_repo/config/parser/parser.py
+++ b/src/crx_repo/config/parser/parser.py
@@ -12,7 +12,7 @@
 
 
 type PathOrStr = Path | str
-type ConfigJsonType = dict[str, str | int | None | ConfigJsonType]
+type ConfigJsonType = dict[str, str | int | ConfigJsonType | None]
 type KeyConverterType = Callable[[str], str] | None
 
 _logger = logging.getLogger(__name__)