Update app.py

Try to make agent more robust based on the lessons learned with difference between expectation of search wiki and reality (just strings not page names)

app.py

@@ -9,9 +9,11 @@ import wikipedia
 
 @tool
 def search_wikipedia_pages(search_string: str) ->  List[str]:
-    """This tool helps to search for the names of wikipedia pages that relate to a search string.
-    This will not retrieve the actual pages, but gives oversight of the different pages on wikipedia to find more information.
-    This tool will output the first 10 pages related to the search string as a list of strings.
+    """This tool helps to search for the names of potential names of wikipedia pages that relate to a search string.
+    This doesn't guarantee that every returned string is a perfect, exact page title that wikipedia.page() will accept without any issue.
+    This tool sends a query to the Wikipedia API's search endpoint. This endpoint performs a full-text search across Wikipedia's article titles and content.
+    This will not retrieve the actual pages, but gives oversight of the different keywords on wikipedia to find more information.
+    This tool will output the first 10 strings related to the search string as a list of strings.
     Args:
         search_string: the search string
     """
@@ -27,6 +29,7 @@ def search_wikipedia_pages(search_string: str) ->  List[str]:
 @tool
 def get_wikipedia_page_content(page_name: str) ->  str:
     """This tool helps to get the content of wikipedia pages by their name.
+    If you use this tool based on the output of search_wikipedia_pages remember to try a next string that was the output of search_wikipedia_pages if you get a error: Page id
     The output is a string with the actual content of the wikipedia page.
     Args:
         page_name: the name of the page in wikipedia