fixing quasi dist return to dict

Author: Dpbm

aer_plugin/backends/aer.py

@@ -64,7 +64,7 @@ def _exec_quasi_dist(self, circuit: QuantumCircuit) -> Results:
         shots = self._get_shots()
         result = sampler.run([circuit], shots=shots).result()
 
-        return result.quasi_dists[0]  # type: ignore[no-any-return]
+        return dict(result.quasi_dists[0])  # type: ignore[no-any-return]
 
     def run_circuit(self) -> Results:
         """

tests/test_run.py

@@ -16,6 +16,7 @@ def test_correct_counts(self):
         )
 
         assert result.get("0") == 1000
+        assert isinstance(result, dict)
 
     def test_correct_counts_custom_shots(self):
         """
@@ -27,6 +28,7 @@ def test_correct_counts_custom_shots(self):
         )
 
         assert result.get("0") == 120
+        assert isinstance(result, dict)
 
     def test_incorrect_counts(self):
         """
@@ -45,6 +47,7 @@ def test_correct_quasi_dist(self):
         )
 
         assert result.get(0) == 1.0
+        assert isinstance(result, dict)
 
     def test_correct_quasi_dist_custom_shots(self):
         """
@@ -55,6 +58,7 @@ def test_correct_quasi_dist_custom_shots(self):
         )
 
         assert result.get(0) == 1.0
+        assert isinstance(result, dict)
 
     def test_incorrect_quasi_dist(self):
         """