Remove unused variables

[deepsource-autofix]

No description provided.

[codecov]

Codecov Report

Merging #62 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #62   +/-   ##
=======================================
  Coverage   98.57%   98.57%           
=======================================
  Files          39       39           
  Lines        1611     1611           
  Branches      249      249           
=======================================
  Hits         1588     1588           
  Misses         10       10           
  Partials       13       13           

Flag	Coverage Δ
#unittests	98.57% <100.00%> (ø)

Impacted Files	Coverage Δ
labthings/server/exceptions.py	100.00% <100.00%> (ø)
labthings/server/extensions.py	100.00% <100.00%> (ø)
labthings/server/quick.py	100.00% <100.00%> (ø)

---

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 282ddb2...ec4a3bf. Read the comment docs.