Method is_subtype

crates/vm/src/builtins/type.rs:1243–1245

(&self, other: &Self)

impl Py<PyType> {
    pub(crate) fn is_subtype(&self, other: &Self) -> bool {
        is_subtype_with_mro(&self.mro.read(), self, other)
    }

    /// Equivalent to CPython's PyType_CheckExact macro
    /// Checks if obj is exactly a type (not a subclass)