Fix deprecation warnings

src/optype.rs

@@ -3,13 +3,11 @@
 
 #[cfg(feature = "pyo3")]
 use pyo3::prelude::*;
-#[cfg(feature = "pyo3")]
-use pyo3::{exceptions::PyNotImplementedError, pyclass::CompareOp};
 use serde::{Deserialize, Serialize};
 use strum::EnumString;
 
 /// Operation types in a quantum circuit.
-#[cfg_attr(feature = "pyo3", pyclass(name = "RsOpType"))]
+#[cfg_attr(feature = "pyo3", pyclass(name = "RsOpType", eq, eq_int))]
 #[derive(Deserialize, Serialize, Clone, Debug, Default, PartialEq, Eq, Hash, EnumString)]
 #[non_exhaustive]
 pub enum OpType {
@@ -550,15 +548,3 @@ pub enum OpType {
     ///   [`DiagonalBox`]: crate::opbox::OpBox::DiagonalBox
     DiagonalBox,
 }
-
-#[cfg(feature = "pyo3")]
-#[pymethods]
-impl OpType {
-    fn __richcmp__(&self, other: &Self, op: CompareOp) -> PyResult<bool> {
-        match op {
-            CompareOp::Eq => Ok(self == other),
-            CompareOp::Ne => Ok(self != other),
-            _ => Err(PyNotImplementedError::new_err("Unsupported comparison.")),
-        }
-    }
-}

src/pytket.rs

@@ -2,12 +2,12 @@
 
 use crate::circuit_json::SerialCircuit;
 use pyo3::prelude::*;
-use pythonize::{depythonize_bound, pythonize};
+use pythonize::{depythonize, pythonize};
 
 impl SerialCircuit {
     /// Create a new `SerialCircuit` from a `pytket.Circuit`.
     pub fn from_tket1(circ: &Bound<PyAny>) -> PyResult<Self> {
-        let circ = depythonize_bound(circ.call_method0("to_dict").unwrap())?;
+        let circ = depythonize(&circ.call_method0("to_dict").unwrap())?;
         Ok(circ)
     }