See https://github.com/scikit-optimize/scikit-optimize/issues/902 This caused all tests to fail.
@@ -29,7 +29,7 @@ from adaptive.runner import simple
try:
from adaptive.learner.skopt_learner import SKOptLearner
-except ModuleNotFoundError:
+except (ModuleNotFoundError, ImportError):
SKOptLearner = None