DeprecationWarning exception raised

Created by: SamyCookie

  File "/usr/lib/python3/dist-packages/av/__init__.py", line 15, in <module>
    from av.audio.fifo import AudioFifo
  File "/usr/lib/python3/dist-packages/av/audio/__init__.py", line 1, in <module>
    from .frame import AudioFrame
  File "av/audio/frame.pyx", line 1, in init av.audio.frame
  File "av/codec/codec.pxd", line 4, in init av.frame
  File "/usr/lib/python3/dist-packages/av/codec/__init__.py", line 1, in <module>
    from .codec import (Capabilities, Codec, Properties, codec_descriptor,
  File "av/video/format.pxd", line 4, in init av.codec.codec
  File "/usr/lib/python3/dist-packages/av/video/__init__.py", line 1, in <module>
    from .frame import VideoFrame
  File "av/codec/context.pxd", line 11, in init av.video.frame
  File "av/container/streams.pxd", line 4, in init av.codec.context
  File "/usr/lib/python3/dist-packages/av/container/__init__.py", line 1, in <module>
    from .core import Container, Flags, open
  File "av/packet.pxd", line 8, in init av.container.core
  File "av/dictionary.pxd", line 4, in init av.packet
  File "av/dictionary.pyx", line 51, in init av.dictionary
  File "/usr/lib/python3.7/collections/__init__.py", line 52, in __getattr__
    DeprecationWarning, stacklevel=2)
DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working

Overview

some collection imports are raising a DeprecationWarning during execution

Expected behavior

no exception

Actual behavior

DeprecationWarning exception raised at running code

Build report: Build is OK

Reproduction

run a PyAV program with a python intepreter version >=3.7

Versions

OS: Debian Buster
PyAV runtime: 4.1.4-1

PyAV v7.0.1
git origin: git@github.com:mikeboers/PyAV
git commit: unknown-commit
library configuration: --prefix=/usr --extra-version='1~deb10u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
library license: GPL version 2 or later
libavcodec     58. 35.100
libavdevice    58.  5.100
libavfilter     7. 40.101
libavformat    58. 20.100
libavutil      56. 22.100
libswresample   3.  3.100
libswscale      5.  3.100

PyAV build:

PyAV: 7.0.1 (unknown commit)
Python: 3.7.3 (default, Dec 20 2019, 18:57:59) \n[GCC 8.3.0]
platform: Linux-4.19.0-8-amd64-x86_64-with-debian-10.3
extension_extra:
        include_dirs: [b'include', b'/usr/include/x86_64-linux-gnu']
        libraries: [b'avformat', b'avcodec', b'avdevice', b'avutil', b'avfilter', b'swscale', b'swresample']
        library_dirs: []
        define_macros: []
        runtime_library_dirs: []
config_macros:
        PYAV_COMMIT_STR="unknown-commit"
        PYAV_VERSION=7.0.1
        PYAV_VERSION_STR="7.0.1"

FFmpeg:

ffmpeg version 4.1.4-1~deb10u1 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 8 (Debian 8.3.0-6)
configuration: --prefix=/usr --extra-version='1~deb10u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
libavutil      56. 22.100 / 56. 22.100
libavcodec     58. 35.100 / 58. 35.100
libavformat    58. 20.100 / 58. 20.100
libavdevice    58.  5.100 / 58.  5.100
libavfilter     7. 40.101 /  7. 40.101
libavresample   4.  0.  0 /  4.  0.  0
libswscale      5.  3.100 /  5.  3.100
libswresample   3.  3.100 /  3.  3.100
libpostproc    55.  3.100 / 55.  3.100

Research

I have done the following:

Checked the PyAV documentation
Searched on Google
[] Searched on Stack Overflow
Looked through old GitHub issues
Asked on PyAV Gitter
... and waited 72 hours for a response.