Mark PyWeakProxy,PyWeak as ThreadSafe

Author: palaviv

vm/src/obj/objweakproxy.rs

@@ -1,7 +1,7 @@
 use super::objtype::PyClassRef;
 use super::objweakref::PyWeak;
 use crate::function::OptionalArg;
-use crate::pyobject::{PyClassImpl, PyContext, PyObjectRef, PyRef, PyResult, PyValue};
+use crate::pyobject::{PyClassImpl, PyContext, PyObjectRef, PyRef, PyResult, PyValue, ThreadSafe};
 use crate::vm::VirtualMachine;
 
 #[pyclass]
@@ -10,6 +10,8 @@ pub struct PyWeakProxy {
     weak: PyWeak,
 }
 
+impl ThreadSafe for PyWeakProxy {}
+
 impl PyValue for PyWeakProxy {
     fn class(vm: &VirtualMachine) -> PyClassRef {
         vm.ctx.weakproxy_type()

vm/src/obj/objweakref.rs

@@ -2,6 +2,7 @@ use super::objtype::PyClassRef;
 use crate::function::{OptionalArg, PyFuncArgs};
 use crate::pyobject::{
     PyClassImpl, PyContext, PyObject, PyObjectPayload, PyObjectRef, PyRef, PyResult, PyValue,
+    ThreadSafe,
 };
 use crate::slots::SlotCall;
 use crate::vm::VirtualMachine;
@@ -14,6 +15,8 @@ pub struct PyWeak {
     referent: Weak<PyObject<dyn PyObjectPayload>>,
 }
 
+impl ThreadSafe for PyWeak {}
+
 impl PyWeak {
     pub fn downgrade(obj: &PyObjectRef) -> PyWeak {
         PyWeak {