mypy: use implicit-optional (#31590)

* mypy: set implicit-optional = true

* find and replace '| None = None' -> '= None' in function args

system/hardware/tici/casync.py

@@ -145,7 +145,7 @@ def build_chunk_dict(chunks: list[Chunk]) -> ChunkDict:
 def extract(target: list[Chunk],
             sources: list[tuple[str, ChunkReader, ChunkDict]],
             out_path: str,
-            progress: Callable[[int], None] | None = None):
+            progress: Callable[[int], None] = None):
   stats: dict[str, int] = defaultdict(int)
 
   mode = 'rb+' if os.path.exists(out_path) else 'wb'

system/loggerd/tests/loggerd_tests_common.py

@@ -11,7 +11,7 @@ from openpilot.system.hardware.hw import Paths
 from openpilot.system.loggerd.xattr_cache import setxattr
 
 
-def create_random_file(file_path: Path, size_mb: float, lock: bool = False, upload_xattr: bytes | None = None) -> None:
+def create_random_file(file_path: Path, size_mb: float, lock: bool = False, upload_xattr: bytes = None) -> None:
   file_path.parent.mkdir(parents=True, exist_ok=True)
 
   if lock:
@@ -81,7 +81,7 @@ class UploaderTestCase(unittest.TestCase):
     self.params.put("DongleId", "0000000000000000")
 
   def make_file_with_data(self, f_dir: str, fn: str, size_mb: float = .1, lock: bool = False,
-                          upload_xattr: bytes | None = None, preserve_xattr: bytes | None = None) -> Path:
+                          upload_xattr: bytes = None, preserve_xattr: bytes = None) -> Path:
     file_path = Path(Paths.log_root()) / f_dir / fn
     create_random_file(file_path, size_mb, lock, upload_xattr)
 

system/loggerd/tests/test_uploader.py

@@ -52,7 +52,7 @@ class TestUploader(UploaderTestCase):
     self.end_event.set()
     self.up_thread.join()
 
-  def gen_files(self, lock=False, xattr: bytes | None = None, boot=True) -> list[Path]:
+  def gen_files(self, lock=False, xattr: bytes = None, boot=True) -> list[Path]:
     f_paths = []
     for t in ["qlog", "rlog", "dcamera.hevc", "fcamera.hevc"]:
       f_paths.append(self.make_file_with_data(self.seg_dir, t, 1, lock=lock, upload_xattr=xattr))

system/loggerd/uploader.py

@@ -222,7 +222,7 @@ class Uploader:
     return self.upload(name, key, fn, network_type, metered)
 
 
-def main(exit_event: threading.Event | None = None) -> None:
+def main(exit_event: threading.Event = None) -> None:
   if exit_event is None:
     exit_event = threading.Event()
 

system/webrtc/device/audio.py

@@ -16,7 +16,7 @@ class AudioInputStreamTrack(aiortc.mediastreams.AudioStreamTrack):
       pyaudio.paFloat32: 'flt',
   }
 
-  def __init__(self, audio_format: int = pyaudio.paInt16, rate: int = 16000, channels: int = 1, packet_time: float = 0.020, device_index: int | None = None):
+  def __init__(self, audio_format: int = pyaudio.paInt16, rate: int = 16000, channels: int = 1, packet_time: float = 0.020, device_index: int = None):
     super().__init__()
 
     self.p = pyaudio.PyAudio()
@@ -48,7 +48,7 @@ class AudioInputStreamTrack(aiortc.mediastreams.AudioStreamTrack):
 
 
 class AudioOutputSpeaker:
-  def __init__(self, audio_format: int = pyaudio.paInt16, rate: int = 48000, channels: int = 2, packet_time: float = 0.2, device_index: int | None = None):
+  def __init__(self, audio_format: int = pyaudio.paInt16, rate: int = 48000, channels: int = 2, packet_time: float = 0.2, device_index: int = None):
 
     chunk_size = int(packet_time * rate)
     self.p = pyaudio.PyAudio()