Update app.py

app.py

@@ -33,6 +33,23 @@ def get_current_time_in_timezone(timezone: str) -> str:
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
+@tool
+def does_file_exist(file_name: str) -> bool:
+    """
+    A tool that checks if a file exists in the current directory.
+    Args:
+        file_name: a string representing the file name to find.
+
+    Returns:
+        bool: returns True if the file exists else returns False
+    """
+    try:
+        from pathlib import Path
+        file_path: Path = Path(f"./{file_name}")
+        return file_path.exists()
+    except Exception as e:
+        reutnr f"Error finding the file {file_name}: {str(e)}"
+    
 
 final_answer = FinalAnswerTool()
 
@@ -55,7 +72,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, image_generation_tool, DuckDuckGoSearchTool, does_file_exist], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,