Replace Qwen model with Gemini

* Create a Google Gemini API key: https://discord.com/channels/879548962464493619/1360558713274109982/1360558713274109982
* Solution to the error "You have exceeded your monthly included credits for Inference Providers": https://discord.com/channels/879548962464493619/1367145601543966791/1367145601543966791

app.py

@@ -1,4 +1,4 @@
-from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, LiteLLMModel, load_tool, tool
 import datetime
 import requests
 import pytz
@@ -47,14 +47,11 @@ final_answer = FinalAnswerTool()
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
 # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
 
-model = HfApiModel(
-max_tokens=2096,
-temperature=0.5,
-model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
-custom_role_conversions=None,
+model = LiteLLMModel(
+    model_id="gemini/gemini-2.0-flash-lite", 
+    api_key=os.getenv("GEMINI_API_TOKEN")
 )
 
-
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)