Remove openmdao version, none work at the moment

pyproject.toml

@@ -29,7 +29,11 @@ dynamic = ["version"]  # Version is read from rhodium/__init__.py
 
 [project.optional-dependencies]
 test = ["pytest", "mock", "pyper<=1.1.2"]
-openmdao = ["openmdao<=3.30.0"]
+openmdao = ["openmdao"]
 
 [tool.setuptools.dynamic]
 version = {attr = "rhodium.__version__"}
+
+[tool.pytest.ini_options]
+addopts = "-rA"  # "-Werror"
+testpaths = ["rhodium"]

rhodium/test/openmdao_test.py

@@ -25,8 +25,8 @@ class TestOpenMDAOModel(unittest.TestCase):
     def test(self):
         try:
             from openmdao.api import IndepVarComp, Component, Problem, Group
-        except ImportError:
-            self.skipTest("OpenMDAO not available")
+        except ImportError as e:
+            self.skipTest(f"OpenMDAO not available: {e}")
 
         # the following example is taken from OpenMDAO's Paraboloid tutorial
         class Paraboloid(Component):