Fix CI issue with coverage. (#283)

tobiasraabe · web-flow · commit 341ff387f0cf · 2022-06-19T18:07:14.000+02:00
diff --git a/tox.ini b/tox.ini
@@ -16,6 +16,7 @@ conda_deps =
     pytest
     pytest-cov
     pytest-xdist
+    coverage <=6.4.0
 
     # Package dependencies
     attrs
