Update app.py

Use Gemini as the model.

app.py

@@ -1,13 +1,17 @@
-from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, load_tool, tool, LiteLLMModel # replace HfApiModel
 import datetime
 import requests
 import pytz
 import yaml
 import subprocess
+import os #retreive your secret api key for LiteLLMModel
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+#  Retrieve your "secret" google api key named GEMINI_API_KEY for LiteLLMModel
+os.environ["GEMINI_API_KEY"] = os.getenv('GEMINI_API_KEY')
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
@@ -67,13 +71,17 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 final_answer = FinalAnswerTool()
+model = LiteLLMModel(model_id="gemini/gemini-2.0-flash")
+
+# Coment out the other model API
+'''
 model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
 model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',# it is possible that this model may be overloaded
 custom_role_conversions=None,
 )
-
+'''
 
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
@@ -83,7 +91,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, linux_shell_interface, duckduckgo_search], ## add your tools here (don't remove final answer)
+    tools=[final_answer, linux_shell_interface, duckduckgo_search], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,