add img_generation_tool

app.py

@@ -67,7 +67,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, add_method], ## add your tools here (don't remove final answer)
+    tools=[final_answer, add_method, image_generation_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,
@@ -78,4 +78,4 @@ agent = CodeAgent(
 )
 
 
-GradioUI(agent).launch()
+GradioUI(agent).launch()