问题
When I open my jupyter notebook I get errors.
I use google for help, but I can't find an answer.
I'm on macOS mojave and using python 3.7.2.I reinstalled my Jupiter notebook but no change.
When I input jupyter notebook. It show me these
Last login: Wed Apr 24 23:06:17
miracleleon@MiracledeMBP ~ jupyter notebook
Traceback (most recent call last):
File "/usr/local/bin/jupyter-notebook", line 6, in
from notebook.notebookapp import main
File "/usr/local/lib/python3.7/site-packages/notebook/init.py", line 25, in
from .nbextensions import install_nbextension
File "/usr/local/lib/python3.7/site-packages/notebook/nbextensions.py", line 610, in
from .extensions import (
File "/usr/local/lib/python3.7/site-packages/notebook/extensions.py", line 8, in
from tornado.log import LogFormatter
File "/usr/local/lib/python3.7/site-packages/tornado/log.py", line 34, in
from tornado.escape import _unicode
File "/usr/local/lib/python3.7/site-packages/tornado/escape.py", line 27, in
from tornado.util import unicode_type
File "/usr/local/lib/python3.7/site-packages/tornado/util.py", line 18, in
import typing
File "/usr/local/lib/python3.7/site-packages/typing.py", line 1356, in
class Callable(extra=collections_abc.Callable, metaclass=CallableMeta):
File "/usr/local/lib/python3.7/site-packages/typing.py", line 1004, in new
self._abc_registry = extra._abc_registry
AttributeError: type object 'Callable' has no attribute '_abc_registry'
回答1:
Try uninstalling typing:
pip uninstall typing
or downgrading python to 3.6. There seems to be a problem with typing in 3.7
If after that you get:
AttributeError: module 'typing' has no attribute '_ClassVar'
try pip uninstall dataclasses.
For more info refer to: https://github.com/RTIInternational/gobbli/issues/10
来源：https://stackoverflow.com/questions/55833509/attributeerror-type-object-callable-has-no-attribute-abc-registry