class_docstr: A class for handling connections and interactions with the Google Calendar API.
docstr: Delete event or events in the calendar.
  Args:
      params (dict): query parameters
  Returns:
      DataFrame
docstr_tok: ["Delete","event","or","events","in","the","calendar",".","Args",":","params","(","dict",")",":","query","parameters","Returns",":","DataFrame"]
code: def delete_event(self, params):
      """
      Delete event or events in the calendar.
      Args:
          params (dict): query parameters
      Returns:
          DataFrame
      """
      service = self.connect()
      if params["event_id"]:
          service.events().delete(
              calendarId="primary", eventId=params["event_id"]
          ).execute()
          return pd.DataFrame(
              [{"eventId": params["event_id"], "status": "deleted"}]
          )
      else:
          df = pd.DataFrame(columns=["eventId", "status"])
          if not params["start_id"]:
              start_id = int(params["end_id"]) - 10
          elif not params["end_id"]:
              end_id = int(params["start_id"]) + 10
          else:
              start_id = int(params["start_id"])
              end_id = int(params["end_id"])
          for i in range(start_id, end_id):
              service.events().delete(
                  calendarId="primary", eventId=str(i)
              ).execute()
              df = pd.concat(
                  [
                      df,
                      pd.DataFrame(
                          [{"eventId": str(i), "status": "deleted"}]
                      ),
                  ],
                  ignore_index=True,
              )
          return df
  
imports: import os
  from collections import OrderedDict
  import pandas
  from google.auth.transport.requests import Request
  from google.oauth2.credentials import Credentials
  from googleapiclient.discovery import build
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.libs.api_handler import APIHandler, FuncParser
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse
  from mindsdb.utilities import log
  from mindsdb.integrations.handlers.gmail_handler.utils import AuthException, google_auth_flow, save_creds_to_file
  from .google_calendar_tables import GoogleCalendarEventsTable
label_desc: Use image node_id 8 for calling the GoogleCalendarHandler obj's underlying member method code with example usage: obj.delete_event(params) and returns: pd, df