Update app.py

app.py

@@ -62,7 +62,7 @@ def call_search(purpose, task, history, action_input):
             print (return_list)
             history = "observation: the search results are:\n {}\n".format(return_list)
         else: 
-            history = "observation: I need to trigger a search using the following syntax:\naction: SEARCH action_input SEARCH_QUERY\n"
+            history = "observation: I need to trigger a search using the following syntax:\naction: SEARCH action_input=SEARCH_QUERY\n"
     except Exception as e:
         print (e)
         history = "observation: The search query I used did not return a valid response, I should try a different query from the list of options\n"