Use newer mypy

Makefile

@@ -29,7 +29,7 @@ fate-suite:
 	rsync -vrltLW rsync://fate-suite.ffmpeg.org/fate-suite/ tests/assets/fate-suite/
 
 lint:
-	$(PIP) install -U ruff isort pillow numpy mypy==1.17.1 pytest
+	$(PIP) install -U ruff isort pillow numpy mypy==1.19.1 pytest
 	ruff format --check av examples tests setup.py
 	isort --check-only --diff av examples tests
 	mypy av tests

av/audio/fifo.py

@@ -193,20 +193,26 @@ def read_many(self, samples: cython.int, partial: cython.bint = False):
     def format(self):
         """The :class:`.AudioFormat` of this FIFO."""
         if not self.ptr:
-            raise AttributeError(f"'{__name__}.AudioFifo' object has no attribute 'format'")
+            raise AttributeError(
+                f"'{__name__}.AudioFifo' object has no attribute 'format'"
+            )
         return self.template.format
 
     @property
     def layout(self):
         """The :class:`.AudioLayout` of this FIFO."""
         if not self.ptr:
-            raise AttributeError(f"'{__name__}.AudioFifo' object has no attribute 'layout'")
+            raise AttributeError(
+                f"'{__name__}.AudioFifo' object has no attribute 'layout'"
+            )
         return self.template.layout
 
     @property
     def sample_rate(self):
         if not self.ptr:
-            raise AttributeError(f"'{__name__}.AudioFifo' object has no attribute 'sample_rate'")
+            raise AttributeError(
+                f"'{__name__}.AudioFifo' object has no attribute 'sample_rate'"
+            )
         return self.template.sample_rate
 
     @property

tests/test_decode.py

@@ -8,6 +8,8 @@
 import pytest
 
 import av
+from av.sidedata.encparams import VideoEncParams
+from av.subtitles.subtitle import SubtitleSet
 
 from .common import TestCase, fate_suite
 
@@ -109,7 +111,7 @@ def test_decoded_time_base(self) -> None:
 
         for packet in container.demux(stream):
             for frame in packet.decode():
-                assert not isinstance(frame, av.subtitles.subtitle.SubtitleSet)
+                assert not isinstance(frame, SubtitleSet)
                 assert packet.time_base == frame.time_base
                 assert stream.time_base == frame.time_base
                 return
@@ -146,7 +148,7 @@ def test_decoded_video_enc_params(self) -> None:
 
         for frame in container.decode(stream):
             video_enc_params = cast(
-                av.sidedata.encparams.VideoEncParams,
+                VideoEncParams,
                 frame.side_data.get("VIDEO_ENC_PARAMS"),
             )
             assert video_enc_params is not None

tests/test_subtitles.py

@@ -4,7 +4,7 @@
 import av
 from av.codec.context import CodecContext
 from av.subtitles.codeccontext import SubtitleCodecContext
-from av.subtitles.subtitle import AssSubtitle, BitmapSubtitle
+from av.subtitles.subtitle import AssSubtitle, BitmapSubtitle, Subtitle, SubtitleSet
 
 from .common import TestCase, fate_suite
 
@@ -35,8 +35,8 @@ def test_subset(self) -> None:
             for packet in container.demux(subs):
                 subset = subs.decode2(packet)
                 if subset is not None:
-                    assert not isinstance(subset, av.subtitles.subtitle.Subtitle)
-                    assert isinstance(subset, av.subtitles.subtitle.SubtitleSet)
+                    assert not isinstance(subset, Subtitle)
+                    assert isinstance(subset, SubtitleSet)
                     assert subset.format == 1
                     assert hasattr(subset, "pts")
                     assert subset.start_display_time == 0