remove unused imports

qiskit_aer/backends/aerbackend.py

@@ -18,11 +18,9 @@
 import logging
 import time
 import uuid
-import warnings
 from abc import ABC, abstractmethod
 
 from qiskit.circuit import QuantumCircuit, ParameterExpression, Delay
-from qiskit.compiler import assemble
 from qiskit.providers import BackendV2 as Backend
 from qiskit.providers import convert_to_target
 from qiskit.providers.models import BackendStatus
@@ -144,7 +142,7 @@ def _convert_binds(self, circuits, parameter_binds, idx_maps=None):
         return parameterizations
 
     # pylint: disable=arguments-renamed
-    def run(self, circuits, validate=False, parameter_binds=None, **run_options):
+    def run(self, circuits, parameter_binds=None, **run_options):
         """Run circuits on the backend.
 
         Args:

qiskit_aer/backends/statevector_simulator.py

@@ -17,7 +17,6 @@
 import logging
 from warnings import warn
 
-import psutil
 from qiskit.providers.options import Options
 from qiskit.providers.models import QasmBackendConfiguration
 

qiskit_aer/backends/unitary_simulator.py

@@ -18,7 +18,6 @@
 import logging
 from warnings import warn
 
-import psutil
 from qiskit.providers.options import Options
 from qiskit.providers.models import QasmBackendConfiguration
 

qiskit_aer/jobs/aerjob.py

@@ -15,7 +15,6 @@
 """This module implements the job class used for AerBackend objects."""
 
 import logging
-import warnings
 
 from qiskit.providers import JobV1 as Job
 from qiskit.providers import JobStatus, JobError