diff --git a/bin/darkwallet/pydrk/api.py b/bin/darkwallet/pydrk/api.py
index 2e6730399..d8e4d1dd2 100644
--- a/bin/darkwallet/pydrk/api.py
+++ b/bin/darkwallet/pydrk/api.py
@@ -113,6 +113,7 @@ class PropertyStatus:
     OK = 0
     UNSET = 1
     NULL = 2
+    EXPR = 3
 
 class ErrorCode:
     INVALID_SCENE_PATH = 1
@@ -429,6 +430,8 @@ class Api:
             match prop_status:
                 case PropertyStatus.NULL:
                     return None
+                case PropertyStatus.EXPR:
+                    return None
                 case PropertyStatus.UNSET | PropertyStatus.OK:
                     return Api.read_prop_val(cur, prop_type)
 
diff --git a/bin/darkwallet/src/gfx.rs b/bin/darkwallet/src/gfx.rs
index f1155a46f..4046ef605 100644
--- a/bin/darkwallet/src/gfx.rs
+++ b/bin/darkwallet/src/gfx.rs
@@ -848,11 +848,15 @@ impl EventHandler for Stage {
         if self.last_draw_time.is_none() {
             return
         }
+
         // Only allow 20 ms, process as much as we can during that time
         let elapsed_since_draw = self.last_draw_time.unwrap().elapsed();
+        // We're long overdue a redraw. Exit for now
         if elapsed_since_draw > Duration::from_millis(20) {
             return
         }
+        // The next redraw must happen 20ms since its last one.
+        // Calculate how much time is remaining until then.
         let allowed_time = Duration::from_millis(20) - elapsed_since_draw;
         let deadline = Instant::now() + allowed_time;
 
diff --git a/bin/darkwallet/src/main.rs b/bin/darkwallet/src/main.rs
index 47392b560..1e5a7a38b 100644
--- a/bin/darkwallet/src/main.rs
+++ b/bin/darkwallet/src/main.rs
@@ -27,17 +27,17 @@ extern crate log;
 #[allow(unused_imports)]
 use log::LevelFilter;
 
-fn init_zmq(scene_graph: SceneGraphPtr) {
+fn start_zmq(scene_graph: SceneGraphPtr) {
     // detach thread
     let _ = thread::spawn(move || {
         let mut zmq_rpc = ZeroMQAdapter::new(scene_graph);
-        zmq_rpc.poll();
+        zmq_rpc.run();
     });
 }
 
 fn main() {
     let scene_graph = Arc::new(Mutex::new(SceneGraph::new()));
-    init_zmq(scene_graph.clone());
+    start_zmq(scene_graph.clone());
     run_gui(scene_graph);
 }
 
@@ -45,13 +45,18 @@ fn main() {
 use rustpython_vm::{self as pyvm, convert::ToPyObject};
 
 fn main() {
-    let code_obj = pyvm::Interpreter::without_stdlib(Default::default()).enter(|vm| {
+    let module = pyvm::Interpreter::without_stdlib(Default::default()).enter(|vm| {
         let source = r#"
-max(1 + lw/3, 4*10) + foo(2, True)"#;
-        let code_obj = vm
-            .compile(source, pyvm::compiler::Mode::Eval, "<embedded>".to_owned())
-            .map_err(|err| vm.new_syntax_error(&err, Some(source))).unwrap();
-        code_obj
+def foo():
+    open("hihi", "w")
+    return 110
+#max(1 + lw/3, 4*10) + foo(2, True)
+"#;
+        //let code_obj = vm
+        //    .compile(source, pyvm::compiler::Mode::Exec, "<embedded>".to_owned())
+        //    .map_err(|err| vm.new_syntax_error(&err, Some(source))).unwrap();
+        //code_obj
+        pyvm::import::import_source(vm, "lain", source).unwrap()
     });
 
     fn foo(x: u32, y: bool) -> u32 {
@@ -70,7 +75,10 @@ max(1 + lw/3, 4*10) + foo(2, True)"#;
 
         let scope = pyvm::scope::Scope::new(None, globals);
 
-        vm.run_code_obj(code_obj, scope).unwrap()
+        let foo_fn = module.get_attr("foo", vm).unwrap();
+        foo_fn.call((), vm).unwrap()
+
+        //vm.run_code_obj(code_obj, scope).unwrap()
     });
     println!("{:?}", res);
 }
diff --git a/bin/darkwallet/src/net.rs b/bin/darkwallet/src/net.rs
index b3f9b69ea..81c8dbd21 100644
--- a/bin/darkwallet/src/net.rs
+++ b/bin/darkwallet/src/net.rs
@@ -70,7 +70,7 @@ impl ZeroMQAdapter {
         Self { req_socket, slot_sender, slot_recvr: Some(slot_recvr), scene_graph }
     }
 
-    pub fn poll(&mut self) {
+    pub fn run(&mut self) {
         let rx = std::mem::take(&mut self.slot_recvr).unwrap();
         let _ = thread::spawn(move || {
             let zmq_ctx = zmq::Context::new();
@@ -199,6 +199,8 @@ impl ZeroMQAdapter {
                         default.encode(&mut reply).unwrap();
                     } else if val.is_null() {
                         2u8.encode(&mut reply).unwrap();
+                    } else if val.is_expr() {
+                        3u8.encode(&mut reply).unwrap();
                     } else {
                         0u8.encode(&mut reply).unwrap();
                         val.encode(&mut reply).unwrap();