Fix last mypy issue in utils.py and activate mypy checking

Author: henrikmidtiby

manim/_config/utils.py

@@ -1453,7 +1453,7 @@ def enable_gui(self, value: bool) -> None:
         self._set_boolean("enable_gui", value)
 
     @property
-    def gui_location(self) -> tuple[Any]:
+    def gui_location(self) -> tuple[int, ...]:
         """Location parameters for the GUI window (e.g., screen coordinates or layout settings)."""
         return self._d["gui_location"]
 

mypy.ini

@@ -55,9 +55,6 @@ disable_error_code = return-value
 [mypy-manim._config.logger_utils]
 ignore_errors = False
 
-[mypy-manim._config.utils]
-ignore_errors = True
-
 [mypy-manim.animation.*]
 ignore_errors = True