Correct camera stubs

list_cameras might return the list [0], so it could be a list of int. Also remove the default value from the Camera.init device parameter. It's not present in the _camera backends.

Author: Starbuck5

buildconfig/stubs/pygame/camera.pyi

@@ -7,7 +7,7 @@ from pygame.typing import IntPoint
 def get_backends() -> list[str]: ...
 def init(backend: str | None = None) -> None: ...
 def quit() -> None: ...
-def list_cameras() -> list[str]: ...
+def list_cameras() -> list[str] | list[int]: ...
 def colorspace(
     surface: Surface, color: Literal["YUV", "HSV"], dest_surface: Surface = ..., /
 ) -> Surface: ...
@@ -34,7 +34,7 @@ class AbstractCamera(ABC):
 class Camera(AbstractCamera):
     def __init__(
         self,
-        device: str | int = 0,
+        device: str | int,
         size: IntPoint = (640, 480),
         format: str = "RGB",
     ) -> None: ...

src_py/_camera_opencv.py

@@ -33,6 +33,8 @@ def list_cameras_darwin():
 
 
 class Camera:
+    # device should not have a default argument!!
+    # leaving here for compatibility, but I fixed the stubs.
     def __init__(self, device=0, size=(640, 480), mode="RGB"):
         self._device_index = device
         self._size = size