skip inferred annotations

crates/ty_python_semantic/src/types/class.rs

@@ -1257,6 +1257,7 @@ impl<'db> ClassType<'db> {
                     let self_annotation = signature
                         .parameters()
                         .get_positional(0)
+                        .filter(|parameter| !parameter.inferred_annotation)
                         .and_then(Parameter::annotated_type)
                         .filter(|ty| {
                             ty.as_typevar()

crates/ty_python_semantic/src/types/signatures.rs

@@ -2167,7 +2167,7 @@ pub(crate) struct Parameter<'db> {
 
     /// Does the type of this parameter come from an explicit annotation, or was it inferred from
     /// the context, like `Self` for the `self` parameter of instance methods.
-    inferred_annotation: bool,
+    pub(crate) inferred_annotation: bool,
 
     kind: ParameterKind<'db>,
     pub(crate) form: ParameterForm,