Pin vendoring to ~=0.3.3 in test suite
@@ -70,7 +70,7 @@ basepython = python3
skip_install = True
commands_pre =
deps =
- vendoring>=0.3.3
+ vendoring~=0.3.3
# Required, otherwise we interpret --no-binary :all: as
# "do not build wheels", which fails for PEP 517 requirements
pip>=19.3.1
