Fixed import

Author: DE-AI

av/__init__.py

@@ -18,7 +18,7 @@
 from av.codec.codec import Codec, codecs_available
 from av.codec.context import CodecContext
 from av.codec.hwaccel import HWConfig
-from av.container import open, Chapter
+from av.container import open
 from av.format import ContainerFormat, formats_available
 from av.packet import Packet
 from av.error import *  # noqa: F403; This is limited to exception types.
@@ -41,7 +41,6 @@
     "AudioStream",
     "BitStreamFilterContext",
     "bitstream_filters_available",
-    "Chapter",
     "Codec",
     "codecs_available",
     "CodecContext",

av/container/__init__.py

@@ -1,3 +1,3 @@
-from .core import Chapter, Container, Flags, open
+from .core import Container, Flags, open
 from .input import InputContainer
 from .output import OutputContainer

tests/test_chapters.py

@@ -1,7 +1,7 @@
 from fractions import Fraction
 
 import av
-from av import Chapter
+from av.container import Chapter
 
 from .common import fate_suite