from aliyunsdkcore.client import AcsClient
from aliyunsdklog.request.v20200619 import GetLogsRequest

def fetch_sls_logs(project_name, logstore_name, from_time, to_time):
    client = AcsClient('<your-access-key-id>', '<your-access-key-secret>', 'cn-hangzhou')
    request = GetLogsRequest.GetLogsRequest()
    request.set_ProjectName(project_name)
    request.set_LogstoreName(logstore_name)
    request.set_FromTime(from_time)
    request.set_ToTime(to_time)

    response = client.do_action_with_exception(request)
    return response
