Fix syntax error: add try-except block for query processing

main.py

@@ -166,34 +166,35 @@ async def process_query(request: QueryRequest):
             error="GROQ_API_KEY not configured. Please add it in HF Spaces Settings > Variables.",
             session_id=session_id
         )
-    
-        sql, error = generate_sql_with_groq(request.question)
-        
-        if error:
+
+            try:
+            sql, error = generate_sql_with_groq(request.question)
+            
+            if error:
+                return QueryResponse(
+                        success=False,
+                            error=f"Failed to generate SQL: {error}",
+                                session_id=session_id
+                            )
+                    
+            # Generate explanation
+                explanation = explain_sql_with_groq(sql, request.question)
+                
+            # For demo: return mock results
+                # In production, you'd execute the SQL against a real database
+                results = [
+                    {"info": "SQL generated successfully! In production, this would execute against your database."},
+                        {"note": "Connect your database to see real query results."}
+                    ]
+                
             return QueryResponse(
-                success=False,
-                error=f"Failed to generate SQL: {error}",
-                session_id=session_id
-            )
-        
-        # Generate explanation
-        explanation = explain_sql_with_groq(sql, request.question)
-        
-        # For demo: return mock results
-        # In production, you'd execute the SQL against a real database
-        results = [
-            {"info": "SQL generated successfully! In production, this would execute against your database."},
-            {"note": "Connect your database to see real query results."}
-        ]
-        
-        return QueryResponse(
-            success=True,
-            sql=sql,
-            results=results,
-            sql_explanation=explanation,
-            results_explanation=f"Generated SQL query for: '{request.question}'. Ready to execute against your database.",
-            session_id=session_id
-        )
+                    success=True,
+                        sql=sql,
+                        results=results,
+                        sql_explanation=explanation,
+                        results_explanation=f"Generated SQL query for: '{request.question}'. Ready to execute against your database.",
+                    session_id=session_id
+                )
         
     except Exception as e:
         logger.error(f"Error processing query: {str(e)}")