我已经在Anaconda虚拟环境中安装了Tensorflow 2.2.0。如果我尝试使用'conda update --all'升级环境中的软件包，它将尝试从conda-forge通道将我的张量流恢复为'1.14.0'。
我安装了tensorflow 2.2.0：
$ conda install tensorflow==2.2.0
conda的列表中没有显示频道，因此我设置频道优先级可能无济于事。
$ conda list tensorflow
# packages in environment at /home/ubuntu/anaconda2/envs/ai:
#
# Name Version Build Channel
tensorflow 2.2.0 mkl_py36h5a57954_0
tensorflow-base 2.2.0 mkl_py36hd506778_0
tensorflow-datasets 1.2.0 py36_0 anaconda
tensorflow-estimator 2.2.0 pyh95af2a2_0 conda-forge
tensorflow-metadata 0.14.0 pyhe6710b0_1
$ conda update --all
Collecting package metadata (current_repodata.json): - NVIDIA: no NVIDIA devices found
done
Solving environment: |
Warning: 2 possible package resolutions (only showing differing packages):
- anaconda/linux-64::tensorflow-datasets-1.2.0-py36_0
- defaults/linux-64::tensorflow-datasets-1.2.0-py36done
==> WARNING: A newer version of conda exists. <==
current version: 4.8.4
latest version: 4.9.1
Please update conda by running
$ conda update -n base -c defaults conda
## Package Plan ##
environment location: /home/ubuntu/anaconda2/envs/ai
The following packages will be downloaded:
package | build
---------------------------|-----------------
awscli-1.18.169 | py36h5fab9bb_0 1.8 MB conda-forge
boto3-1.16.9 | pyhd8ed1ab_0 70 KB conda-forge
botocore-1.19.9 | pyhd3deb0d_0 4.1 MB conda-forge
hypothesis-5.41.0 | pyhd8ed1ab_0 222 KB conda-forge
tornado-6.1 | py36h1d69622_0 644 KB conda-forge
------------------------------------------------------------
Total: 6.8 MB
The following packages will be REMOVED:
_tflow_select-2.3.0-mkl
aiohttp-3.7.2-py36h8c4c3a4_0
astunparse-1.6.3-py_0
async-timeout-3.0.1-py_1000
blinker-1.4-py_1
cachetools-4.1.1-py_0
google-auth-1.23.0-pyhd8ed1ab_0
google-auth-oauthlib-0.4.1-py_2
idna_ssl-1.1.0-py36h9f0ad1d_1001
multidict-4.7.5-py36h8c4c3a4_2
oauthlib-3.0.1-py_0
opt_einsum-3.3.0-py_0
pyjwt-1.7.1-py_0
requests-oauthlib-1.3.0-pyh9f0ad1d_0
tensorboard-plugin-wit-1.7.0-pyh9f0ad1d_0
typing-extensions-3.7.4.3-0
yarl-1.6.2-py36h8c4c3a4_0
The following packages will be UPDATED:
awscli 1.18.168-py36h5fab9bb_0 --> 1.18.169-py36h5fab9bb_0
boto3 1.16.8-pyhd8ed1ab_0 --> 1.16.9-pyhd8ed1ab_0
botocore 1.19.8-pyhd3deb0d_0 --> 1.19.9-pyhd3deb0d_0
gast 0.3.3-py_0 --> 0.4.0-pyh9f0ad1d_0
hypothesis 5.40.0-pyhd8ed1ab_0 --> 5.41.0-pyhd8ed1ab_0
tornado 6.0.4-py36h8c4c3a4_2 --> 6.1-py36h1d69622_0
The following packages will be SUPERSEDED by a higher-priority channel:
tensorboard conda-forge/noarch::tensorboard-2.3.0~ --> conda-forge/linux-64::tensorboard-1.14.0-py36_0
tensorflow pkgs/main::tensorflow-2.2.0-mkl_py36h~ --> conda-forge::tensorflow-1.14.0-hc3e5e64_0
tensorflow-base pkgs/main::tensorflow-base-2.2.0-mkl_~ --> conda-forge::tensorflow-base-1.14.0-py36hc3e5e64_0
tensorflow-estima~ conda-forge/noarch::tensorflow-estima~ --> conda-forge/linux-64::tensorflow-estimator-1.14.0-py36h5ca1d4c_0
Proceed ([y]/n)? n
CondaSystemExit: