pyaudio: fix stubtest failures (#9416)

stubs/pyaudio/pyaudio.pyi

@@ -1,6 +1,7 @@
 import sys
 from collections.abc import Callable, Mapping, Sequence
-from typing_extensions import Final, TypeAlias, final
+from typing import ClassVar
+from typing_extensions import Final, TypeAlias
 
 __docformat__: str
 
@@ -70,23 +71,6 @@ paPrimingOutput: Final[int]
 paFramesPerBufferUnspecified: Final[int]
 
 if sys.platform == "darwin":
-    @final
-    class paMacCoreStreamInfo:
-        paMacCoreChangeDeviceParameters: Final[int]
-        paMacCoreFailIfConversionRequired: Final[int]
-        paMacCoreConversionQualityMin: Final[int]
-        paMacCoreConversionQualityMedium: Final[int]
-        paMacCoreConversionQualityLow: Final[int]
-        paMacCoreConversionQualityHigh: Final[int]
-        paMacCoreConversionQualityMax: Final[int]
-        paMacCorePlayNice: Final[int]
-        paMacCorePro: Final[int]
-        paMacCoreMinimizeCPUButPlayNice: Final[int]
-        paMacCoreMinimizeCPU: Final[int]
-        flags: Final[int]
-        channel_map: Final[_ChannelMap | None]
-        def __init__(self, flags: int = ..., channel_map: _ChannelMap = ...) -> None: ...
-
     class PaMacCoreStreamInfo:
         paMacCoreChangeDeviceParameters: Final[int]
         paMacCoreFailIfConversionRequired: Final[int]
@@ -149,9 +133,13 @@ class Stream:
     def stop_stream(self) -> None: ...
     def write(self, frames: bytes, num_frames: int | None = ..., exception_on_underflow: bool = ...) -> None: ...
 
+# Use an alias to workaround pyright complaints about recursive definitions in the PyAudio class
+_Stream = Stream
+
 class PyAudio:
+    Stream: ClassVar[type[_Stream]]
     def __init__(self) -> None: ...
-    def close(self, stream: Stream) -> None: ...
+    def close(self, stream: _Stream) -> None: ...
     def get_default_host_api_info(self) -> _PaHostApiInfo: ...
     def get_default_input_device_info(self) -> _PaDeviceInfo: ...
     def get_default_output_device_info(self) -> _PaDeviceInfo: ...
@@ -187,5 +175,5 @@ class PyAudio:
         input_host_api_specific_stream_info: _PaMacCoreStreamInfo | None = ...,
         output_host_api_specific_stream_info: _PaMacCoreStreamInfo | None = ...,
         stream_callback: _StreamCallback | None = ...,
-    ) -> Stream: ...
+    ) -> _Stream: ...
     def terminate(self) -> None: ...