set minimum version of galaxy-tool-util that copes with relaxed path setting

Author: rupertnash

tox.ini

@@ -35,7 +35,7 @@ deps =
   py{36,37,38,39}-{unit,lint,bandit,mypy}: -rrequirements.txt
   py{36,37,38,39}-unit: codecov
   py{36,37,38,39}-{unit,mypy}: -rtest-requirements.txt
-  py{36,37,38,39}-unit: galaxy-tool-util
+  py{36,37,38,39}-unit: galaxy-tool-util>=21.1.0
   py{36,37,38,39}-lint: flake8-bugbear
   py{36,37,38,39}-lint: black
   py{36,37,38,39}-bandit: bandit