Don't upgrade yamale
@@ -19,7 +19,7 @@ execnet==1.7.1
# (Pinned to 4.4.2 since what we need for testing is still useful)
Mercurial==4.4.2 # pyup: ignore
-yamale==3.0.0
+yamale==2.0.1 # pyup: <3.0
pytest-mock==3.2.0
# local debugging tools
