module impoet error both in python2 and python3

[dl942702882]

import(name) File "/Users/jerry/venv2/lib/python2.7/site-packages/scrapy_jsonrpc/webservice.py", line 7, in from scrapy_jsonrpc.jsonrpc import jsonrpc_server_call File "/Users/jerry/venv2/lib/python2.7/site-packages/scrapy_jsonrpc/jsonrpc.py", line 11, in from scrapy_jsonrpc.serialize import ScrapyJSONDecoder File "/Users/jerry/venv2/lib/python2.7/site-packages/scrapy_jsonrpc/serialize.py", line 8, in from scrapy.spider import Spider ImportError: No module named spider