Update app.py

app.py

@@ -490,7 +490,7 @@ Evaluate these responses for hallucinations:\n\n{context}\n\n
                 content = response.choices[0].message.content
                 # Normal JSON parsing for mistral
                 result_json = json.loads(content)
-            else if model_id == "deepseek-reasoner":
+            elif model_id == "deepseek-reasoner":
                 response = client.chat.completions.create(
                     model=model_id,
                     messages=[