fix tests (#355)

Author: MoritzWillmann

.github/workflows/tests.yaml

@@ -82,7 +82,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m venv venv_qiskit_1
           source venv_qiskit_1/bin/activate
-          pip install .[examples] qiskit==1.1.2 qiskit-ibm-runtime==0.27.1 autoray==0.7.2
+          pip install .[examples] qiskit==1.1.2 qiskit-algorithms==0.3.0 qiskit-ibm-runtime==0.27.1 autoray==0.7.2
       - name: Test with pytest
         run: |
           source venv_qiskit_1/bin/activate

src/squlearn/optimizers/optimizers_wrapper.py

@@ -1,7 +1,7 @@
 """Various optimization methods that are implemented via wrappers"""
 
 import numpy as np
-import qiskit_algorithms.optimizers as qiskit_optimizers
+from qiskit_algorithms.optimizers import SPSA as QiskitSPSA
 from scipy.optimize import minimize
 
 from .optimizer_base import OptimizerBase, OptimizerResult, IterativeMixin, default_callback
@@ -177,7 +177,7 @@ def minimize(
             Result of the optimization in class:`OptimizerResult` format.
         """
 
-        spsa = qiskit_optimizers.SPSA(
+        spsa = QiskitSPSA(
             maxiter=self.maxiter,
             blocking=self.blocking,
             allowed_increase=self.allowed_increase,