fix: restore list coupling map

qiskit_rigetti/_qcs_backend.py

@@ -13,7 +13,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 ##############################################################################
-from typing import Optional, Any, Union, List, cast
+from typing import Optional, Any, Union, List, cast, Tuple
 from uuid import uuid4
 import copy
 
@@ -84,7 +84,7 @@ def _prepare_circuit(circuit: QuantumCircuit) -> QuantumCircuit:
     """
     Returns a prepared copy of the circuit for execution on the QCS Backend.
     """
-    if hasattr(circuit, 'copy'):
+    if hasattr(circuit, "copy"):
         circuit = circuit.copy()
     else:
         circuit = copy.deepcopy(circuit)
@@ -203,5 +203,5 @@ def run(
         )
 
 
-def get_coupling_map_from_qc_topology(qc: QuantumComputer) -> CouplingMap:
-    return CouplingMap(qc.quantum_processor.qubit_topology().to_directed().edges())
+def get_coupling_map_from_qc_topology(qc: QuantumComputer) -> List[Tuple[int, int]]:
+    return cast(List[Tuple[int, int]], qc.quantum_processor.qubit_topology().to_directed().edges())

tests/test_qcs_backend.py

@@ -24,7 +24,7 @@
 def test_run(backend: RigettiQCSBackend):
     circuit = make_circuit()
 
-    job = execute(circuit, backend, shots=10, coupling_map=backend.configuration().coupling_map)
+    job = execute(circuit, backend, shots=10)
 
     assert job.backend() is backend
     result = job.result()
@@ -39,7 +39,7 @@ def test_run__multiple_circuits(backend: RigettiQCSBackend):
     circuit1 = make_circuit(num_qubits=2)
     circuit2 = make_circuit(num_qubits=3)
 
-    job = execute([circuit1, circuit2], backend, shots=10, coupling_map=backend.configuration().coupling_map)
+    job = execute([circuit1, circuit2], backend, shots=10)
 
     assert job.backend() is backend
     result = job.result()
@@ -76,7 +76,6 @@ def test_run__parametric_circuits(backend: RigettiQCSBackend):
             {t: 1.0},
             {t: 2.0},
         ],
-        coupling_map=backend.configuration().coupling_map,
     )
 
     assert job.backend() is backend
@@ -108,7 +107,7 @@ def test_run__readout_register_not_named_ro(backend: RigettiQCSBackend):
     circuit.measure([0, 1], [0, 1])
     qasm_before = circuit.qasm()
 
-    job = execute(circuit, backend, shots=10, coupling_map=backend.configuration().coupling_map)
+    job = execute(circuit, backend, shots=10)
 
     assert circuit.qasm() == qasm_before, "should not modify original circuit"
 
@@ -127,7 +126,7 @@ def test_run__multiple_registers__single_readout(backend: RigettiQCSBackend):
     circuit.measure([0, 1], [readout_reg[0], readout_reg[1]])
     qasm_before = circuit.qasm()
 
-    job = execute(circuit, backend, shots=10, coupling_map=backend.configuration().coupling_map)
+    job = execute(circuit, backend, shots=10)
 
     assert circuit.qasm() == qasm_before, "should not modify original circuit"
 
@@ -148,7 +147,7 @@ def test_run__multiple_readout_registers(backend: RigettiQCSBackend):
     circuit.measure([qr[0], qr[1]], [cr[0], cr2[0]])
 
     with pytest.raises(RuntimeError, match="Multiple readout registers are unsupported on QCSBackend; found c, c2"):
-        execute(circuit, backend, shots=10, coupling_map=backend.configuration().coupling_map)
+        execute(circuit, backend, shots=10)
 
 
 def test_run__no_measurments(backend: RigettiQCSBackend):
@@ -157,7 +156,7 @@ def test_run__no_measurments(backend: RigettiQCSBackend):
     circuit = QuantumCircuit(qr, cr)
 
     with pytest.raises(RuntimeError, match="Circuit has no measurements"):
-        execute(circuit, backend, shots=10, coupling_map=backend.configuration().coupling_map)
+        execute(circuit, backend, shots=10)
 
 
 def test_run__backend_coupling_map():

tests/test_qcs_provider.py

@@ -54,10 +54,9 @@ def test_run__backend_coupling_map():
         ("http://example.com/qvm",),
         ("http://localhost:9999/qvm",),
         ("http://127.0.0.1:9999/qvm",),
-    ]
+    ],
 )
-def test_get_simulator__remote(monkeypatch, qvm_url):
-    print("URL", qvm_url)
+def test_get_simulator__remote(qvm_url, monkeypatch):
     monkeypatch.setenv("QCS_SETTINGS_APPLICATIONS_PYQUIL_QVM_URL", qvm_url)
 
     with pytest.raises(GetQuantumProcessorException):