Update app.py

app.py

@@ -95,33 +95,23 @@ def measure_collapse(qc, shots):
 
 
 def explain_llm(qc, n_qubits, shots, hf_model_id):
-    try:
-        state_ket = qc.ket_notation(max_terms=6)
-        probs_top = _probs_top(qc, int(n_qubits), k=6)
-
-        cfg = ExplainConfig(
-            model_id=hf_model_id.strip(),
-            max_new_tokens=280,
-            temperature=0.2,
-        )
-
-        out = explain_circuit_with_hf(
-            n_qubits=int(n_qubits),
-            history=qc.history,
-            state_ket=state_ket,
-            probs_top=probs_top,
-            shots=int(shots),
-            cfg=cfg,
-        )
-
-        # Ensure something is always returned to the UI
-        if not out or not str(out).strip():
-            return "LLM returned an empty response. Try another model id or check HF_TOKEN."
-
-        return out
-    except Exception as e:
-        return f"Explain failed with error:\n\n`{repr(e)}`"
+    state_ket = qc.ket_notation(max_terms=6)
+    probs_top = _probs_top(qc, int(n_qubits), k=6)
+
+    cfg = ExplainConfig(
+        model_id=hf_model_id.strip(),
+        max_new_tokens=280,
+        temperature=0.2,
+    )
 
+    return explain_circuit_with_hf(
+        n_qubits=int(n_qubits),
+        history=qc.history,
+        state_ket=state_ket,
+        probs_top=probs_top,
+        shots=int(shots),
+        cfg=cfg,
+    )
 
 def _refresh_choices(n):
     opts = list(range(int(n)))