Request value over time period longer than timeout

[GraysonBellamy]

🐛 Bug Report

When requesting a value over a time period longer than the timeout of the serial device no return is produced.

🔬 How To Reproduce

Steps to reproduce the behavior:

1. Setup device
2. Run df = run(dev.request, ["Mass_Flow"], 150)
3. No value is contained in df

Code sample

See above

Screenshots

📈 Expected behavior

Should successfully perform if a longer time is requested.

📎 Additional context