logger: improve error handling

utils/logger.py

@@ -18,13 +18,13 @@ class CustomFormatter(logging.Formatter):
             color = PURPLE
         else:
             color = RESET
-            
+
         record.levelname = f"{color}{record.levelname}{RESET}"
 
         if record.args:
             record.msg = self.highlight_args(record.msg, record.args, color)
             record.args = ()
-            
+
         # provide trace when DEBUG config
         if settings.DEBUG:
             import traceback
@@ -33,5 +33,8 @@ class CustomFormatter(logging.Formatter):
         return super().format(record)
 
     def highlight_args(self, message, args, color):
-        highlighted_args = tuple(f"{color}{arg}{RESET}" for arg in args)
-        return message % highlighted_args
+        try:
+            highlighted_args = tuple(f"{color}{arg}{RESET}" for arg in args)
+            return message % highlighted_args
+        except (TypeError, ValueError):
+            return f"{color}{message}{RESET}"