我在python3的virtualenv中使用pip安装了jupyter。在跑步时:
jupyter notebook
我收到以下错误
File "<path>/ss/bin/jupyter-notebook", line 7, in <module>
from notebook.notebookapp import main
File "<path>/ss/lib/python3.4/site-packages/notebook/notebookapp.py", line 44, in <module>
from zmq.eventloop import ioloop
File "<path>/ss/lib/python3.4/site-packages/zmq/eventloop/__init__.py", line 3, in <module>
from zmq.eventloop.ioloop import IOLoop
File "<path>/ss/lib/python3.4/site-packages/zmq/eventloop/ioloop.py", line 78, in <module>
while _IOLoop.configurable_default() is not _IOLoop:
File "<path>/ss/lib/python3.4/site-packages/tornado/ioloop.py", line 350, in configurable_default
from tornado.platform.asyncio import AsyncIOLoop
File "<path>/ss/lib/python3.4/site-packages/tornado/platform/asyncio.py", line 25, in <module>
from tornado.gen import convert_yielded
File "<path>/ss/lib/python3.4/site-packages/tornado/gen.py", line 1295, in <module>
_wrap_awaitable = asyncio.ensure_future
AttributeError: 'module' object has no attribute 'ensure_future'
我使用
将每个依赖模块升级到最新版本- 升级
但它仍然给我同样的错误。
答案 0 :(得分:7)
我通过将龙卷风软件包降级到版本4.5来解决这个问题:
pip install tornado==4.5
当我在我的虚拟环境中使用pip安装ipykernel时,它会自动安装龙卷风作为最新版本。但是,我认为最新版本的龙卷风与python版本低于3.4.4导致错误。
所以,我删除了龙卷风并用4.5版重新安装(此版本安装在我的其他虚拟环境中。)