Addressing PR comments

Author: scirelli

adafruit_ads1x15/ads1x15.py

@@ -20,7 +20,7 @@
 from micropython import const
 
 try:
-    from typing import Dict, List, Literal, Optional, Union
+    from typing import Dict, List, Optional
 
     from busio import I2C
     from microcontroller import Pin
@@ -83,7 +83,7 @@ def __init__(
         self.i2c_device = I2CDevice(i2c, address)
 
     @property
-    def bits(self) -> Union[Literal[12], Literal[16]]:
+    def bits(self) -> int:
         """The ADC bit resolution."""
         raise NotImplementedError("Subclass must implement bits property.")