path interpretation

[MrGeomancer]

``i'm trying something like:

path = 'C:\Users\Pekarnya\Videos\Captures\за грубость извени.mp4'
overlay = ffmpeg.input(fr'{path}_folder/input.mp4')
srtf=fr'"{path}_folder/audio.srt"'
print(srtf)  # > "C:/Users/Pekarnya/Videos/Captures/за грубость извени.mp4_folder/audio.srt"
overlay = overlay.filter('subtitles', srtf, force_style="PrimaryColour=&H03fcff,fontsize=8,Italic=1,Spacing=0.8,MarginV=72")
overlay = overlay.output(ffmpeg.input(path).audio, fr'{path}_folder/final.mp4', vcodec='libx264', acodec='aac')
ffmpeg.run(overlay, overwrite_output=True)

but then error coming:

[Parsed_subtitles_10 @ 000001e1419df380] libass API version: 0x1701000
[Parsed_subtitles_10 @ 000001e1419df380] libass source: commit: 0.17.0-51-g91422bdb9497e8484b3248f5ae7eb50d41e2555d
[Parsed_subtitles_10 @ 000001e1419df380] Shaper: FriBidi 1.0.13 (SIMPLE) HarfBuzz-ng 8.1.1 (COMPLEX)
[Parsed_subtitles_10 @ 000001e1419df380] Unable to open "C\:/Users/Pekarnya/Videos/Captures/за грубость извени.mp4_folder/audio.srt"
[AVFilterGraph @ 000001e1419cf880] Error initializing filters

So error in Unable to open "C\:/Users/Pekarnya/Videos/Captures/за грубость but for real on print(srtf) i got "C:/Users/Pekarnya/... how can i fix error or it's bug?

[MrGeomancer]

But in my code I always use fr'{path}_folder/...' and there is never were a problem with "C\:/Users/ instead of "C:/Users/