diff --git a/manim/_config/logger_utils.py b/manim/_config/logger_utils.py
index 9205635eef..427cf41ca0 100644
--- a/manim/_config/logger_utils.py
+++ b/manim/_config/logger_utils.py
@@ -16,7 +16,7 @@
 import copy
 import json
 import logging
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 
 from rich import color, errors
 from rich import print as printf
@@ -91,7 +91,7 @@ def make_logger(
     # set the rich handler
     rich_handler = RichHandler(
         console=console,
-        show_time=parser.getboolean("log_timestamps"),
+        show_time=parser.getboolean("log_timestamps", fallback=False),
         keywords=HIGHLIGHTED_KEYWORDS,
     )
 
@@ -108,7 +108,7 @@ def make_logger(
     return logger, console, error_console
 
 
-def parse_theme(parser: configparser.SectionProxy) -> Theme:
+def parse_theme(parser: configparser.SectionProxy) -> Theme | None:
     """Configure the rich style of logger and console output.
 
     Parameters
@@ -126,7 +126,7 @@ def parse_theme(parser: configparser.SectionProxy) -> Theme:
     :func:`make_logger`.
 
     """
-    theme = {key.replace("_", "."): parser[key] for key in parser}
+    theme: dict[str, Any] = {key.replace("_", "."): parser[key] for key in parser}
 
     theme["log.width"] = None if theme["log.width"] == "-1" else int(theme["log.width"])
     theme["log.height"] = (
@@ -188,8 +188,11 @@ def format(self, record: logging.LogRecord) -> str:
         """Format the record in a custom JSON format."""
         record_c = copy.deepcopy(record)
         if record_c.args:
-            for arg in record_c.args:
-                record_c.args[arg] = "<>"
+            if isinstance(record_c.args, dict):
+                for arg in record_c.args:
+                    record_c.args[arg] = "<>"
+            else:
+                record_c.args = ("<>",) * len(record_c.args)
         return json.dumps(
             {
                 "levelname": record_c.levelname,
diff --git a/mypy.ini b/mypy.ini
index 80571869be..e10653a13d 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -49,7 +49,7 @@ warn_return_any = True
 # disable_recursive_aliases = True
 
 [mypy-manim._config.*]
-ignore_errors = True
+ignore_errors = False
 disable_error_code = return-value
 
 [mypy-manim.animation.*]