Update app.py

app.py

@@ -16,7 +16,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
         arg1: Graduation course like B.C.A, B.Sc, B.B.A , M.B.B.S that students join after 12th  
         arg2: State in India.
     """
-    search = ("Find top 10 colleges offereing %s in %s" % arg1, arg2)
+    search = ("Find top 10 colleges offereing %s in %s" % (arg1, arg2))
     content = DuckDuckGoSearchTool(search)
     return content