Merge pull request #1005 from makermelissa/libgpiod-fix

Fix libgpiod 2.x library where self._num is not defined in certain cases

Author: makermelissa

src/adafruit_blinka/microcontroller/generic_linux/libgpiod/libgpiod_pin_2_x.py

@@ -29,6 +29,8 @@ def __init__(self, pin_id):
         chip_id = 0
         if isinstance(pin_id, tuple):
             chip_id, self._num = pin_id
+        else:
+            self._num = int(pin_id)
         if isinstance(chip_id, int):
             chip_id = f"/dev/gpiochip{chip_id}"
         self._chip = gpiod.Chip(chip_id)