Network usage chart stops updating after some time

[jsnjack]

Required information:

• ytop version (ytop -V): 0.6.2
• The output of uname -a: Linux dell 5.6.19-300.fc32.x86_64 Implement widgets #1 SMP Wed Jun 17 16:10:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

Include any of the following information if relevant:

• Terminal emulator (e.g. iTerm or gnome terminal): gnome-terminal
• tmux version (tmux -V): 3.0a
• Any relevenat hardware info:

Please copy or attach ~/.local/state/ytop/errors.log if it exists and contains logs: empty

I have noticed that after running ytop for some time (for example 10m), network usage chart stops to update