Update report.py

Author: AAriam

.manager/src/proman/report.py

@@ -234,7 +234,7 @@ def _generate_sections(self) -> dict[str, mdit.Document]:
 
 
 def initialize_logger(
-    title_number: int | list[int],
+    title_number: int | list[int] = 1,
 ):
     logger.initialize(
         realtime_levels=list(range(1, 7)),