Fix formatting

[jesper-friis]

Description

Type of change

• Bug fix and code cleanup
• New feature
• Documentation update
• Testing

Checklist for the reviewer

This checklist should be used as a help for the reviewer.

• Is the change limited to one issue?
• Does this PR close the issue?
• Is the code easy to read and understand?
• Do all new feature have an accompanying new test?
• Has the documentation been updated as necessary?
• Is the code properly tested?

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 77.91%. Comparing base (7450e6a) to head (e3072ec).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
tripper/triplestore.py	90.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #358   +/-   ##
=======================================
  Coverage   77.91%   77.91%           
=======================================
  Files          22       22           
  Lines        2522     2522           
=======================================
  Hits         1965     1965           
  Misses        557      557           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.