Merge pull request #54 from quantumdynamics927-dotcom/copilot/fix-cicd-pipeline-failures

Fix CI Python matrix failures from stray syntax in `space_server.py`

Author: quantumdynamics927-dotcom

space_server.py

@@ -4,6 +4,7 @@
 
 import os
 
+import numpy as np
 import uvicorn
 from fastapi import FastAPI, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
@@ -65,59 +66,45 @@ async def health_check():
 async def run_vqe(request: VQERequest):
     try:
         # Use simplified VQE (fallback) - works without pyscf
-        from qiskit import QuantumCircuit
-        from qiskit_aer import AerSimulator
-        import numpy as np
-        
+
         # Simplified H₂ VQE using 2-qubit ansatz
         def simplified_vqe(bond_length, shots=1024):
             # Create a simple 2-qubit ansatz
             theta = np.random.random() * 2 * np.pi
-            
+
             # Simulate VQE optimization
             circuit = QuantumCircuit(2, 2)
             circuit.ry(theta, 0)
             circuit.cx(0, 1)
             circuit.measure([0, 1], [0, 1])
-            
-            backend = AerSimulator()
-            job = backend.run(circuit, shots=shots)
-            result = job.result()
-            counts = result.get_counts()
-            
+
             # Calculate approximate energy based on bond length
             # H₂ ground state energy approximation
-            exact = -1.116 + 0.5 * (bond_length - 0.74)**2
+            exact = -1.116 + 0.5 * (bond_length - 0.74) ** 2
             vqe_energy = exact + np.random.normal(0, 0.01)  # Small error
-            
+
             return {
                 "energy": vqe_energy,
                 "error": abs(vqe_energy - exact),
                 "depth": circuit.depth(),
-                "iterations": np.random.randint(20, 50)
+                "iterations": np.random.randint(20, 50),
             }
-        
-        exact_energy = -1.116 + 0.5 * (request.bond_length - 0.74)**2
+
+        exact_energy = -1.116 + 0.5 * (request.bond_length - 0.74) ** 2
         result = simplified_vqe(request.bond_length, request.shots)
-        
+
         return {
             "exact_energy": exact_energy,
             "vqe_energy": result["energy"],
             "error": result["error"],
             "depth": result["depth"],
             "iterations": result["iterations"],
-            "mode": "simplified"
+            "mode": "simplified",
         }
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e)) from e
 
 
-# Noisy Simulation Endpoint
-            }
-    except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e)) from e
-
-
 # Noisy Simulation Endpoint
 @app.post("/api/noisy")
 async def run_noisy_sim(request: NoisySimRequest):