Historically, would attempt to download a pre-compiled FFmpeg binary from a remote server when you first tried to read or write a video. This caused several recurring issues:
If you are seeing the error RuntimeError: imageio.ffmpeg.download() has been deprecated , it is because the library has changed how it handles the powerful FFmpeg engine used for video processing. The Quick Fix It follows standard Python packaging
Since (released in early 2019), the built-in "download" function was removed to make installation more reliable and secure. The Quick Fix The Quick Fix It follows standard Python packaging
It follows standard Python packaging practices, making it easier to manage in virtual environments and Docker containers. The Quick Fix It follows standard Python packaging
By installing through PyPI or Conda, the binaries are verified and integrated into your package manager’s environment. For Users of MoviePy and Other Libraries imageio/imageio-ffmpeg: FFMPEG wrapper for Python - GitHub