Better phrasing and typing for controller module

controller/python/controller.py

 import struct
 from numbers import Real
-from typing import Any, Optional
+from typing import Optional
 
 # Major and minor version of required firmware
 _REQUIRED_FIRMWARE_VERSION = (0, 4)
@@ -144,8 +144,8 @@ class Controller:
         sense. Return a pair with left and right data."""
         return self._read(self.ENCODER_TICKS, 4, "hh")
 
-    def get_status(self) -> dict[str, Any]:
-        """Return a dict with various status fields:
+    def get_status(self) -> dict[str, bool]:
+        """Return a dict with status fields:
         - "moving": True if at least one motor is moving, False otherwise
         - "automatic": True if the motors are in automatic mode, False otherwise"""
         (status,) = self._read(self.STATUS, 1, "B")