Method __getitem__

crates/vm/src/builtins/bytes.rs:251–253

(&self, needle: PyObjectRef, vm: &VirtualMachine)

    }

    fn __getitem__(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult {
        self._getitem(&needle, vm)
    }

    #[pymethod]
    fn isalnum(&self) -> bool {