fix local setup issue with Mercurial
@@ -17,7 +17,7 @@ execnet==1.8.0
# supported platform.
# mercurial-scm.org/wiki/SupportedPythonVersions
# (Pinned to 4.4.2 since what we need for testing is still useful)
-# Mercurial==4.4.2 # pyup: ignore
+Mercurial==4.4.2 # pyup: ignore
yamale==2.2.0 # pyup: <3.0
pytest-mock==3.5.1
