added image generation tool

app.py

@@ -44,14 +44,14 @@ custom_role_conversions=None,
 )
 
 # Import tool from Hub
-image_generator = load_tool("agents-course/text-to-image", trust_remote_code=True)
+image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
     
 agent = CodeAgent(
     model=model,
-    tools=[my_cutom_tool, get_current_time_in_timezone, final_answer], ## add your tools here (don't remove final answer)
+    tools=[my_cutom_tool, get_current_time_in_timezone, image_generation_tool, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,