Method decode

crates/vm/src/codecs.rs:94–112

(
        &self,
        obj: PyObjectRef,
        errors: Option<PyUtf8StrRef>,
        vm: &VirtualMachine,
    )

    }

    pub fn decode(
        &self,
        obj: PyObjectRef,
        errors: Option<PyUtf8StrRef>,
        vm: &VirtualMachine,
    ) -> PyResult {
        let args = match errors {
            Some(errors) => vec![obj, errors.into_wtf8().into()],
            None => vec![obj],
        };
        let res = self.get_decode_func().call(args, vm)?;
        let res = res
            .downcast::<PyTuple>()
            .ok()
            .filter(|tuple| tuple.len() == 2)
            .ok_or_else(|| vm.new_type_error("decoder must return a tuple (object,integer)"))?;
        // we don't actually care about the integer
        Ok(res[0].clone())
    }

    pub fn get_incremental_encoder(
        &self,