fix pytests for abi3 feature

Author: davidhewitt

pytests/src/pyclasses.rs

@@ -66,9 +66,11 @@ impl AssertingBaseClass {
 #[pyclass]
 struct ClassWithoutConstructor;
 
+#[cfg(any(Py_3_10, not(Py_LIMITED_API)))]
 #[pyclass(dict)]
 struct ClassWithDict;
 
+#[cfg(any(Py_3_10, not(Py_LIMITED_API)))]
 #[pymethods]
 impl ClassWithDict {
     #[new]
@@ -83,6 +85,7 @@ pub fn pyclasses(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<PyClassIter>()?;
     m.add_class::<AssertingBaseClass>()?;
     m.add_class::<ClassWithoutConstructor>()?;
+    #[cfg(any(Py_3_10, not(Py_LIMITED_API)))]
     m.add_class::<ClassWithDict>()?;
 
     Ok(())

pytests/tests/test_pyclasses.py

@@ -89,7 +89,12 @@ def test_no_constructor_defined_propagates_cause(cls: Type):
 
 
 def test_dict():
-    d = pyclasses.ClassWithDict()
+    try:
+        ClassWithDict = pyclasses.ClassWithDict
+    except AttributeError:
+        pytest.skip("not defined using abi3 < 3.9")
+
+    d = ClassWithDict()
     assert d.__dict__ == {}
 
     d.foo = 42