traceback:

　　file"/usr/local/lib/python3.6/site-packages/urllib3/",line677,inurlopen

　　chunked=chunked,

　　file"/usr/local/lib/python3.6/site-packages/urllib3/",line381,in_e_request

　　self._validate_conn

　　file"/usr/local/lib/python3.6/site-packages/urllib3/",line976,in_validate_conn

　　nect

　　file"/usr/local/lib/python3.6/site-packages/urllib3/",line370,inconnect

　　ssl_context=context,

　　file"/usr/local/lib/python3.6/site-packages/urllib3/util/ssl_.py",line377,inssl_wrap_socket

　　p_socket

　　file"/usr/local/lib/python3.6/",line814,in__init__

　　_handshake

　　file"/usr/local/lib/python3.6/",line1068,indo_handshake

　　self.__handshake

　　file"/usr/local/lib/python3.6/",line689,indo_handshake

　　self.__handshake

　　eoferror:eofoccurredinviolationofprotocol

　　duringhandlingoftheaboveexception,anotherexceptionoccurred:

　　traceback:

　　file"/usr/local/lib/python3.6/site-packages/requests/",line449,insend

　　tiut=tiut

　　file"/usr/local/lib/python3.6/site-packages/urllib3/",line725,inurlopen

　　hod,url,error=e,_pool=self,_stacktrace=_info

　　file"/usr/local/lib/python3.6/site-packages/urllib3/util/",line439,inincret

　　raiseurred:

　　traceback:

　　file"",line108,in<ule>

　　result=parse

　　file"",line15,inparse

　　content=download

　　file"",line88,indownload

　　resp=

　　file"/usr/local/lib/python3.6/site-packages/requests/",line76,inget

　　returnrequest

　　file"/usr/local/lib/python3.6/site-packages/requests/",line61,inrequest

　　uest

　　file"/usr/local/lib/python3.6/site-packages/requests/",line530,inrequest

　　resp=d

　　file"/usr/local/lib/python3.6/site-packages/requests/",line643,insend

　　r=d

　　file"/usr/local/lib/python3.6/site-packages/requests/",line514,insend

　　raisesslerror

　　error:sconnectionpool:maxretriesexceededwithurl:/6446/),))