Add missing module registration.

crates/circuit/src/lib.rs

@@ -131,6 +131,8 @@ pub fn circuit(m: &Bound<PyModule>) -> PyResult<()> {
     m.add_class::<dag_node::DAGOutNode>()?;
     m.add_class::<dag_node::DAGOpNode>()?;
     m.add_class::<operations::StandardGate>()?;
+    m.add_class::<operations::StandardInstruction>()?;
+    m.add_class::<operations::DelayUnit>()?;
     Ok(())
 }
 

crates/circuit/src/operations.rs

@@ -291,6 +291,7 @@ impl<'a> Operation for OperationRef<'a> {
 #[pyclass(module = "qiskit._accelerate.circuit", eq, eq_int)]
 pub enum DelayUnit {
     NS,
+    PS,
     US,
     MS,
     S,
@@ -304,6 +305,7 @@ impl fmt::Display for DelayUnit {
             "{}",
             match self {
                 DelayUnit::NS => "ns",
+                DelayUnit::PS => "ps",
                 DelayUnit::US => "us",
                 DelayUnit::MS => "ms",
                 DelayUnit::S => "s",

qiskit/circuit/delay.py

@@ -49,7 +49,8 @@ def __init__(self, duration, unit="dt"):
         # as it only will exist in `Delay` after that point.
         self.__unit = unit
         # TODO: how can the delay be updated in the setter?
-        self._standard_instruction = StandardInstruction.Delay(duration, delay_unit)
+        # TODO: looks like Delay is a Parameter type, so this is disabled for now
+        # self._standard_instruction = StandardInstruction.Delay(duration, delay_unit)
         super().__init__("delay", 1, 0, params=[duration])
 
     broadcast_arguments = Gate.broadcast_arguments