updated exa tool

app.py

@@ -16,11 +16,11 @@ def get_exa_search_results(search_query:str)-> str: #it's import to specify the
         search_query: the first argument
     """
     exa = Exa(api_key = "32d520b3-b8ee-4fad-88a6-18fec4b50ad6")
-    result = exa.search_and_contents(
+    search_result = exa.search_and_contents(
         search_query,
         text = { "max_characters": 1000 }
     )
-    return result
+    return search_result
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: