[英]Jupyter Notebook : Could not find a kernel matching python 3
[英]Could not find a kernel matching Python 3. Please select a kernel
在我尝试安装和注册一个新的虚拟环境以便我可以在 Jupyter 笔记本中使用它之后,我遇到了以下问题:我打开或创建的任何笔记本都会显示错误消息:“找不到与 Python 3 匹配的 kernel。请 select 和 kernel:" 但是没有内核注册了...
尽管我注意到许多其他人过去面临同样的问题,但我找不到一个好的答案。 任何人都可以帮忙吗?
我正在使用 Ubuntu 和 pip。
这似乎是 Jupyter 的配置问题。
$ jupyter --paths --debug
JUPYTER_PREFER_ENV_PATH is not set, making the user-level path preferred over the environment-level path for data and config
JUPYTER_NO_CONFIG is not set, so we use the full path list for config
JUPYTER_CONFIG_PATH is not set, so we do not prepend anything to the config paths
JUPYTER_CONFIG_DIR is not set, so we use the default user-level config directory
JUPYTER_PATH is not set, so we do not prepend anything to the data paths
JUPYTER_DATA_DIR is not set, so we use the default user-level data directory
JUPYTER_RUNTIME_DIR is not set, so we use the default runtime directory
config:
/home/florian/.jupyter
/home/florian/..../OCR/ocr_env/etc/jupyter
/usr/local/etc/jupyter
/etc/jupyter
data:
/home/florian/.local/share/jupyter
jupyter kernelspec list
Available kernels:
ocr_env /home/florian/.local/share/jupyter/kernels/ocr_env
python3 /home/florian/.local/share/jupyter/kernels/python3
spark_env /home/florian/.local/share/jupyter/kernels/spark_env
tensorflow /home/florian/.local/share/jupyter/kernels/tensorflow
尝试升级 pip 的另一个错误:
python -m pip install --upgrade pip
Traceback (most recent call last):
File "/home/florian/anaconda3/lib/python3.8/runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/home/florian/anaconda3/lib/python3.8/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/__main__.py", line 23, in <module>
from pip._internal.cli.main import main as _main # isort:skip # noqa
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/main.py", line 10, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/main_parser.py", line 7, in <module>
from pip._internal.cli import cmdoptions
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/cmdoptions.py", line 23, in <module>
from pip._internal.cli.progress_bars import BAR_TYPES
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/cli/progress_bars.py", line 12, in <module>
from pip._internal.utils.logging import get_indentation
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/utils/logging.py", line 18, in <module>
from pip._internal.utils.misc import ensure_dir
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/utils/misc.py", line 33, in <module>
from pip._internal.locations import (
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/locations/__init__.py", line 9, in <module>
from . import _distutils, _sysconfig
File "/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/locations/_sysconfig.py", line 8, in <module>
from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid
ImportError: cannot import name 'InvalidSchemeCombination' from 'pip._internal.exceptions' (/home/florian/anaconda3/lib/python3.8/site-packages/pip/_internal/exceptions.py)
似乎我在下面找到了这样的解决方案:
pip3 install --force-reinstall jupyter_client
julia> import Pkg; Pkg.add("IJulia")
julia> using IJulia
julia> IJulia.notebook
参考:
julia>
在 macOS 上运行 julia.app
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