Additional cleanup

crates/accelerate/src/sabre/mod.rs

@@ -13,8 +13,8 @@
 mod heuristic;
 mod layer;
 mod layout;
-pub mod neighbor_table;
-pub mod route;
+mod neighbor_table;
+mod route;
 pub mod sabre_dag;
 pub mod swap_map;
 

crates/accelerate/src/two_qubit_decompose.rs

@@ -1276,7 +1276,7 @@ impl Default for TwoQubitGateSequence {
 #[allow(non_snake_case)]
 #[pyclass(module = "qiskit._accelerate.two_qubit_decompose", subclass)]
 pub struct TwoQubitBasisDecomposer {
-    pub gate: String,
+    gate: String,
     basis_fidelity: f64,
     euler_basis: EulerBasis,
     pulse_optimize: Option<bool>,

crates/circuit/src/dag_circuit.rs

@@ -792,7 +792,7 @@ impl DAGCircuit {
     /// Args:
     ///     angle (float, :class:`.ParameterExpression`): The phase angle.
     #[setter]
-    pub fn set_global_phase(&mut self, angle: Param) -> PyResult<()> {
+    fn set_global_phase(&mut self, angle: Param) -> PyResult<()> {
         match angle {
             Param::Float(angle) => {
                 self.global_phase = Param::Float(angle.rem_euclid(2. * PI));

qiskit/transpiler/passes/synthesis/unitary_synthesis.py

@@ -27,7 +27,6 @@
 from itertools import product
 from functools import partial
 import numpy as np
-import rustworkx
 
 from qiskit.circuit.controlflow import CONTROL_FLOW_OP_NAMES
 from qiskit.circuit import Gate, Parameter, CircuitInstruction
@@ -74,7 +73,6 @@
 from qiskit.transpiler.passes.synthesis import plugin
 from qiskit.transpiler.target import Target
 
-from qiskit._accelerate.sabre import NeighborTable
 from qiskit._accelerate.unitary_synthesis import run_default_main_loop
 
 GATE_NAME_MAP = {
@@ -258,10 +256,8 @@ def _preferred_direction(
         if coupling_map is not None:
             neighbors0 = coupling_map.neighbors(qubits[0])
             zero_one = qubits[1] in neighbors0
-
             neighbors1 = coupling_map.neighbors(qubits[1])
             one_zero = qubits[0] in neighbors1
-
             if zero_one and not one_zero:
                 preferred_direction = [0, 1]
             if one_zero and not zero_one:
@@ -307,7 +303,6 @@ def _preferred_direction(
                 preferred_direction = [0, 1]
             elif cost_1_0 < cost_0_1:
                 preferred_direction = [1, 0]
-
     if natural_direction is True and preferred_direction is None:
         raise TranspilerError(
             f"No preferred direction of gate on qubits {qubits} "
@@ -903,7 +898,6 @@ def is_controlled(gate):
                 if error is None:
                     error = 0.0
                 basis_2q_fidelity[strength] = 1 - error
-
             # rewrite XX of the same strength in terms of it
             embodiment = XXEmbodiments[v.base_class]
             if len(embodiment.parameters) == 1:
@@ -1066,14 +1060,12 @@ def _reversed_synth_su4(self, su4_mat, decomposer2q, approximation_degree):
         su4_mat_mm[[1, 2]] = su4_mat_mm[[2, 1]]
         su4_mat_mm[:, [1, 2]] = su4_mat_mm[:, [2, 1]]
         synth_circ = decomposer2q(su4_mat_mm, approximate=approximate, use_dag=True)
-
         out_dag = DAGCircuit()
         out_dag.global_phase = synth_circ.global_phase
         out_dag.add_qubits(list(reversed(synth_circ.qubits)))
         flip_bits = out_dag.qubits[::-1]
         for node in synth_circ.topological_op_nodes():
             qubits = tuple(flip_bits[synth_circ.find_bit(x).index] for x in node.qargs)
-
             node = DAGOpNode.from_instruction(
                 node._to_circuit_instruction().replace(qubits=qubits, params=node.params)
             )