Update src/utils_fct.py

Change function utils to return normal chat when no information on function calling is invoked

src/utils_fct.py

@@ -100,18 +100,20 @@ def forecast(messages
         tools=model_predict_tool,
         tool_choice="auto"
     )
-
-    tool_call = response.choices[0].message.tool_calls[0]
-    function_name = tool_call.function.name
-    function_params = json.loads(tool_call.function.arguments)
-    function_result = names_to_functions[function_name](**function_params)
-    date = function_result["ds"][-1]
-    lower = function_result["yhat_lower"][-1]
-    upper = function_result["yhat_upper"][-1]
-    prediction = function_result["yhat"][-1]
-
-    messages.append(ChatMessage(role="tool", 
-                        name=function_name, 
-                        content=str({"date" : date, "prix_minimum": lower, "prix_maximum": upper, "prix_estimé": prediction})
-    ))
-    return messages
+    is_ok = True
+    try: 
+        tool_call = response.choices[0].message.tool_calls[0]
+        function_name = tool_call.function.name
+        function_params = json.loads(tool_call.function.arguments)
+        function_result = names_to_functions[function_name](**function_params)
+        date = function_result["ds"][-1]
+        lower = function_result["yhat_lower"][-1]
+        upper = function_result["yhat_upper"][-1]
+        prediction = function_result["yhat"][-1]
+    except: 
+        is_ok = False
+        pass 
+    if is_ok:     
+        return {"date" : str(date), "prix_minimum": lower, "prix_maximum": upper, "prix_estimé": prediction}
+    else: 
+        return response.choices[0].message.content