Update app.py

app.py

@@ -12,7 +12,7 @@ from tools.web_search import DuckDuckGoSearchTool
 def DuckDuckGoSearchTool (web_search: str) -> str:
     """"A tool Performs a duckduckgo web search based on your query (think a Google search) then returns the top search results."""
 inputs = {'query': {'type': 'string','description': 'The search query to perform.'}}
-    output_type = "string"
+output_type = "string"
 
 def __init__(self, max_results=10, **kwargs):
         super().__init__()