BF/ALERT: When mic isn't found, print alert & use default

[TEParsons]

No description provided.

[codecov]

Codecov Report

Merging #4210 (5a80ebf) into release (9359c56) will decrease coverage by 0.00%.
The diff coverage is 33.33%.

@@             Coverage Diff             @@
##           release    #4210      +/-   ##
===========================================
- Coverage    35.93%   35.92%   -0.01%     
===========================================
  Files          288      288              
  Lines        56816    56819       +3     
  Branches      9665     9666       +1     
===========================================
- Hits         20415    20411       -4     
- Misses       34405    34412       +7     
  Partials      1996     1996              

Impacted Files	Coverage Δ
...chopy/experiment/components/microphone/__init__.py	81.53% <33.33%> (-1.12%)	⬇️
psychopy/visual/movie3.py	60.22% <0.00%> (-1.49%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9359c56...5a80ebf. Read the comment docs.