fix: Pixels model correction (#274)

* Changed Pixels model and updated documentation.

* Update screenshot.py

---------

Co-authored-by: Mickaël Schoentgen <contact@tiger-222.fr>

docs/source/api.rst

@@ -312,9 +312,9 @@ Properties
 
     .. attribute:: pixels
 
-        List of RGB tuples.
+        List of row tuples that contain RGB tuples.
 
-        :rtype: list[tuple(int, int, int)]
+        :rtype: list[tuple(tuple(int, int, int), ...)]
 
     .. attribute:: pos
 

src/mss/models.py

@@ -8,7 +8,7 @@
 Monitors = List[Monitor]
 
 Pixel = Tuple[int, int, int]
-Pixels = List[Pixel]
+Pixels = List[Tuple[Pixel, ...]]
 
 CFunctions = Dict[str, Tuple[str, List[Any], Any]]
 

src/mss/screenshot.py

@@ -118,7 +118,7 @@ def pixel(self, coord_x: int, coord_y: int) -> Pixel:
         :return tuple: The pixel value as (R, G, B).
         """
         try:
-            return self.pixels[coord_y][coord_x]  # type: ignore[return-value]
+            return self.pixels[coord_y][coord_x]
         except IndexError as exc:
             msg = f"Pixel location ({coord_x}, {coord_y}) is out of range."
             raise ScreenShotError(msg) from exc