[libgpiod][PATCH v2 08/23] bindings: python: add type hints for Chip's internal members

[Vincent Fazio <vfazio@xxxxxxxxxxx>]

Add type hints for Chip's internal members so type checkers can ensure
the code properly constrains to these types and accounts for scenarios
where the values are `None`.

Signed-off-by: Vincent Fazio <vfazio@xxxxxxxxxxx>
---
 bindings/python/gpiod/chip.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bindings/python/gpiod/chip.py b/bindings/python/gpiod/chip.py
index bf38c7f..69ea777 100644
--- a/bindings/python/gpiod/chip.py
+++ b/bindings/python/gpiod/chip.py
@@ -61,8 +61,8 @@ class Chip:
           path:
             Path to the GPIO character device file.
         """
-        self._chip = _ext.Chip(path)
-        self._info = None
+        self._chip: Union[_ext.Chip, None] = _ext.Chip(path)
+        self._info: Union[ChipInfo, None] = None
 
     def __bool__(self) -> bool:
         """
-- 
2.34.1