Harrison/errors (#1276)

Co-authored-by: Kevin Huo <5000881+kwhuo68@users.noreply.github.com>

langchain/utilities/google_search.py

@@ -86,7 +86,6 @@ class GoogleSearchAPIWrapper(BaseModel):
         service = build("customsearch", "v1", developerKey=google_api_key)
         values["search_engine"] = service
 
-        # TODO: Add error handling if keys are missing
         return values
 
     def run(self, query: str) -> str:

langchain/utilities/wolfram_alpha.py

@@ -43,10 +43,8 @@ class WolframAlphaAPIWrapper(BaseModel):
                 "Please install it with `pip install wolframalpha`"
             )
         client = wolframalpha.Client(wolfram_alpha_appid)
-
         values["wolfram_client"] = client
 
-        # TODO: Add error handling if keys are missing
         return values
 
     def run(self, query: str) -> str: