AttributeError: 模块‘ import lib’没有属性‘ util’

我刚刚从 Fedora 32升级到 Fedora 33(这是 Python 3.9附带的):

[guy@Gandalf32 ~]$ gcloud
Error processing line 3 of /home/guy/.local/lib/python3.9/site-packages/XStatic-1.0.2-py3.9-nspkg.pth:


Traceback (most recent call last):
File "/usr/lib64/python3.9/site.py", line 169, in addpackage
exec(line)
File "<string>", line 1, in <module>
File "<frozen importlib._bootstrap>", line 562, in module_from_spec
AttributeError: 'NoneType' object has no attribute 'loader'


Remainder of file ignored
Traceback (most recent call last):
File "/usr/lib64/google-cloud-sdk/lib/gcloud.py", line 104, in <module>
main()
File "/usr/lib64/google-cloud-sdk/lib/gcloud.py", line 62, in main
from googlecloudsdk.core.util import encoding
File "/usr/lib64/google-cloud-sdk/lib/googlecloudsdk/__init__.py", line 23, in <module>
from googlecloudsdk.core.util import importing
File "/usr/lib64/google-cloud-sdk/lib/googlecloudsdk/core/util/importing.py", line 23, in <module>
import imp
File "/usr/lib64/python3.9/imp.py", line 23, in <module>
from importlib import util
File "/usr/lib64/python3.9/importlib/util.py", line 2, in <module>
from . import abc
File "/usr/lib64/python3.9/importlib/abc.py", line 17, in <module>
from typing import Protocol, runtime_checkable
File "/usr/lib64/python3.9/typing.py", line 26, in <module>
import re as stdlib_re  # Avoid confusion with the re we export.
File "/usr/lib64/python3.9/re.py", line 124, in <module>
import enum
File "/usr/lib64/google-cloud-sdk/lib/third_party/enum/__init__.py", line 26, in <module>
spec = importlib.util.find_spec('enum')
AttributeError: module 'importlib' has no attribute 'util'
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最佳答案

Update from GCP support

GCP support mentioned that the new version 318.0.0 released on 2020.11.10 should support python 3.9

I updated my gcloud sdk to 318.0.0 and now looks like python 3.9.0 is supported.

To fix this issue run

gcloud components update

Fedora 33 includes python 2.7 and to force GCloud SDK to use it please set this environment variable

export CLOUDSDK_PYTHON=python2

You can add this export command to your ~/.bash_profile

Python 3.9 is very new and is expected that Gcloud SDK does not support 3.9, it is written to be compatible with 2.7.x & 3.6 - 3.8 (3.8 can cause some compat issues I recommend to use 3.7)

As a workaround, configure Python 3.8 or 3.7 (these versions work well for Gcloud and most of linux distros) as system wide interpreter and try to use gcloud commands.

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If you don't want to use Python 2, you can use Python 3.8 on Fedora 33 until the SDK starts supporting Python 3.9.

Install python 3.8 using :

sudo dnf install python3.8

You can verify your installation by running:

python3.8 --version

Then set it as the Google Cloud SDK interpreter:

export CLOUDSDK_PYTHON=python3.8

After this the SDK should work normally.

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gcloud will update to version 318 on November 10 and will fix this issue.

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For macOS/Homebrew:

brew install python@3.8
export CLOUDSDK_PYTHON=python3.8
ln -s /usr/local/Cellar/python@3.8/*/bin/python3.8 /usr/local/bin/python3.8


gcloud components update


# the issue is now resolved and you can return to python 3.9
unset CLOUDSDK_PYTHON
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Happened to me after a brew upgrade. Works with python 3.8.

You need to make python3.8 into your shell path. I executed following lines and it worked

export PATH="/usr/local/opt/python@3.8/bin:$PATH"
alias python=/usr/local/opt/python@3.8/bin/python3

Thank you!

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For Mac OS Users

First of all you should run brew update.

If you have this error:

Error: homebrew-core is a shallow clone. To `brew update` first run:
git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core" fetch --unshallow
This restriction has been made on GitHub's request because updating shallow
clones is an extremely expensive operation due to the tree layout and traffic of
Homebrew/homebrew-core. We don't do this for you automatically to avoid
repeatedly performing an expensive unshallow operation in CI systems (which
should instead be fixed to not use shallow clones). Sorry for the inconvenience!

Run next commands:

git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core" fetch --unshallow
git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask" fetch --unshallow

Now,

Update python 3.8 brew upgrade python@3.8

Add python 3.8 to PATH export PATH="/usr/local/opt/python@3.8/bin:$PATH"

Use python 3.8 in Cloud SDK export CLOUDSDK_PYTHON=python3.8

Now, you can update gcloud components gcloud components update


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