chore: todo for future self

Author: Henri-ColibrITD

mpqp/execution/providers/azure.py

@@ -39,7 +39,10 @@ def run_azure(job: Job) -> Result:
 
     qiskit_circuit = (
         (
-            job.circuit.without_measurements() + job.circuit.pre_measure()
+            # 3M-TODO: careful, if we ever support several measurements, the
+            # line bellow will have to changer
+            job.circuit.without_measurements()
+            + job.circuit.pre_measure()
         ).to_other_language(Language.QISKIT)
         if (job.job_type == JobType.STATE_VECTOR)
         else job.circuit.to_other_language(Language.QISKIT)
@@ -87,8 +90,8 @@ def extract_result(
     Raises:
         ValueError: If the result type is unsupported.
     """
-    from qiskit.result import Result as QiskitResult
     from azure.quantum.target.microsoft.result import MicrosoftEstimatorResult
+    from qiskit.result import Result as QiskitResult
 
     if isinstance(result, QiskitResult):
         from mpqp.execution.providers.ibm import extract_result as extract_result_ibm

mpqp/execution/providers/google.py

@@ -136,6 +136,8 @@ def run_local(job: Job) -> Result:
         return run_local_processor(job)
 
     if job.job_type == JobType.STATE_VECTOR:
+        # 3M-TODO: careful, if we ever support several measurements, the
+        # line bellow will have to changer
         circuit = job.circuit.without_measurements() + job.circuit.pre_measure()
         cirq_circuit = circuit.to_other_language(Language.CIRQ)
         job.circuit.gphase = circuit.gphase

mpqp/execution/providers/ibm.py

@@ -37,6 +37,7 @@
     from qiskit_aer import AerSimulator
     from qiskit_aer.noise import NoiseModel as Qiskit_NoiseModel
     from qiskit_ibm_runtime import RuntimeJobV2
+
     from mpqp.execution.simulated_devices import IBMSimulatedDevice
 
 
@@ -84,6 +85,7 @@ def compute_expectation_value(
         :func:`~mpqp.execution.runner.run` instead.
     """
     from qiskit.quantum_info import SparsePauliOp
+
     from mpqp.execution.simulated_devices import IBMSimulatedDevice
 
     if not isinstance(job.measure, ExpectationMeasure):
@@ -416,6 +418,7 @@ def run_aer(job: Job):
 
     from qiskit import QuantumCircuit, transpile
     from qiskit_aer import AerSimulator
+
     from mpqp.execution.simulated_devices import IBMSimulatedDevice
 
     job_circuit = job.circuit
@@ -439,7 +442,10 @@ def run_aer(job: Job):
 
     qiskit_circuit = (
         (
-            job_circuit.without_measurements() + job_circuit.pre_measure()
+            # 3M-TODO: careful, if we ever support several measurements, the
+            # line bellow will have to changer
+            job_circuit.without_measurements()
+            + job_circuit.pre_measure()
         ).to_other_language(Language.QISKIT)
         if (job.job_type == JobType.STATE_VECTOR)
         else job_circuit.to_other_language(Language.QISKIT)