google api

APIError                                  Traceback (most recent call last)
<ipython-input-18-b560380e48d4> in <module>
----> 1 sheet=client.open('minitest').sheet1

~\Anaconda3\lib\site-packages\gspread\models.py in sheet1(self)
     74     def sheet1(self):
     75         """Shortcut property for getting the first worksheet."""
---> 76         return self.get_worksheet(0)
     77 
     78     def __iter__(self):

~\Anaconda3\lib\site-packages\gspread\models.py in get_worksheet(self, index)
    201 
    202         """
--> 203         sheet_data = self.fetch_sheet_metadata()
    204 
    205         try:

~\Anaconda3\lib\site-packages\gspread\models.py in fetch_sheet_metadata(self)
    182         url = SPREADSHEET_URL % self.id
    183 
--> 184         r = self.client.request('get', url, params=params)
    185 
    186         return r.json()

~\Anaconda3\lib\site-packages\gspread\client.py in request(self, method, endpoint, params, data, json, files, headers)
     77             return response
     78         else:
---> 79             raise APIError(response)
     80 
     81     def list_spreadsheet_files(self):

APIError: {
  "error": {
    "code": 403,
    "message": "Google Sheets API has not been used in project 415810789407 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/sheets.googleapis.com/overview?project=415810789407 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.",
    "status": "PERMISSION_DENIED",
    "details": [
      {
        "@type": "type.googleapis.com/google.rpc.Help",
        "links": [
          {
            "description": "Google developers console API activation",
            "url": "https://console.developers.google.com/apis/api/sheets.googleapis.com/overview?project=415810789407"
          }
        ]
      }
    ]
  }
}

구글 아이디가 두개여서 두번을 해봤는데 
sheet=client.open('').sheet1에서 계속 이 오류가 뜹니다.
어떻게 해결해야 하나요?

Enable it by visiting https://console.developers.google.com/apis/api/sheets.googleapis.com/overview?project=415810789407 then retry