Fixes #2178

Qiskit · Jun 27, 2024 · 85237e9 · 85237e9
1 parent 9831bcb
commit 85237e9
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/qiskit_aer/aerprovider.py b/qiskit_aer/aerprovider.py
@@ -23,10 +23,11 @@
 from .backends.unitary_simulator import UnitarySimulator
 
 
-class AerProvider(Provider):
+class AerProvider:
     """Provider for Aer backends."""
 
     _BACKENDS = None
+    version = 1
 
     @staticmethod
     def _get_backends():
@@ -64,7 +65,13 @@ def _get_backends():
         return AerProvider._BACKENDS
 
     def get_backend(self, name=None, **kwargs):
-        return super().get_backend(name=name, **kwargs)
+        backends = self.backends(name, **kwargs)
+        if len(backends) > 1:
+            raise QiskitBackendNotFoundError("More than one backend matches the criteria")
+        if not backends:
+            raise QiskitBackendNotFoundError("No backend matches the criteria")
+
+        return backends[0]
 
     def backends(self, name=None, filters=None, **kwargs):
         # pylint: disable=arguments-differ

diff --git a/releasenotes/notes/providerABC-61311d8e5ae56d71.yaml b/releasenotes/notes/providerABC-61311d8e5ae56d71.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    The class :class:`.AerProvider` does not implement Qiskit's ``Provider``, as it is now deprecated.
+    This fix removes the raising of the warning from Qiskit.