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connectcore-demo-example: fix possible exception if video file is empty 

Signed-off-by: Tatiana Leon <Tatiana.Leon@digi.com>
This commit is contained in:
Tatiana Leon 2022-11-23 18:08:54 +01:00
parent ce4c1f55d6
commit cab26c39e7
1 changed files with 1 additions and 1 deletions
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2
connectcore-demo-example/demoserver.py
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@ -790,7 +790,7 @@ def get_video_resolution():
res = read_file("/sys/class/drm/card0/card0-DPI-1/modes") res = read_file("/sys/class/drm/card0/card0-DPI-1/modes")
if res == NOT_AVAILABLE: if res == NOT_AVAILABLE:
res = read_file("/sys/class/graphics/fb0/modes") res = read_file("/sys/class/graphics/fb0/modes")
if res == NOT_AVAILABLE: if res == NOT_AVAILABLE or not res:
return "No video device found" return "No video device found"
line = res.splitlines()[0] line = res.splitlines()[0]