code: def get_steps(
      self, start_time_millis, end_time_millis
  ) -> pd.DataFrame:
      steps = {}
      steps_data = self.retrieve_data(
          self.api,
          start_time_millis,
          end_time_millis,
          "derived:com.google.step_count.delta:com.google.android.gms:estimated_steps",
      )
      for daily_step_data in steps_data["bucket"]:
          local_date = datetime.fromtimestamp(
              int(daily_step_data["startTimeMillis"]) / 1000,
              tz=pytz.timezone(str(get_localzone())),
          )
          local_date_str = local_date.strftime(DATE_FORMAT)
  
          data_point = daily_step_data["dataset"][0]["point"]
          if data_point:
              count = data_point[0]["value"][0]["intVal"]
              data_source_id = data_point[0]["originDataSourceId"]
              steps[local_date_str] = {
                  "steps": count,
                  "originDataSourceId": data_source_id,
              }
      ret = pd.DataFrame.from_dict(steps)
      ret = ret.T
      ret = ret.drop("originDataSourceId", axis=1)
      ret = ret.reset_index(drop=False)
      return ret
  
imports: import os.path
  import json
  import pandas
  import pytz
  from tzlocal import get_localzone
  from datetime import datetime
  from google.auth.transport.requests import Request
  from google.oauth2.credentials import Credentials
  from google_auth_oauthlib.flow import InstalledAppFlow
  from googleapiclient.discovery import Resource
  from googleapiclient.discovery import build
  from googleapiclient.errors import HttpError
  from mindsdb_sql import parse_sql
  from mindsdb.utilities import log
  from mindsdb.integrations.handlers.google_fit_handler.google_fit_tables import GoogleFitTable
  from mindsdb.integrations.libs.api_handler import APIHandler, FuncParser
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse
label_desc: Use image node_id 6 for calling the GoogleFitHandler obj's underlying member method code with example usage: obj.get_steps(start_time_millis, end_time_millis) and returns: ret