[英]Conda cannot install pydot-ng with python3 (Unsatisfiable error)
I have Anaconda 4.3.23 on Ubuntu 16.04 LTS. 我在Ubuntu 16.04 LTS上有Anaconda 4.3.23。 When I try to install pydot-ng package using 当我尝试使用安装pydot-ng软件包时
conda install pydot-ng
I get the following error: 我收到以下错误:
UnsatisfiableError: The following specifications were found to be in conflict:
- pydot-ng -> python 2.7* -> openssl 1.0.1*
- python 3.6*
Use "conda info <package>" to see the dependencies for each package.
Upon running conda info pydot-ng
i see 运行conda info pydot-ng
我看到了
pydot-ng 1.0.0.15 py27_0
------------------------
file name : pydot-ng-1.0.0.15-py27_0.tar.bz2
name : pydot-ng
version : 1.0.0.15
build string: py27_0
build number: 0
channel : defaults
size : 45 KB
arch : x86_64
date : 2015-09-09
license : MIT
md5 : 8b81a344723e64ec3545b5f030caca47
noarch : None
platform : linux
url : https://repo.continuum.io/pkgs/free/linux-64/pydot-ng-
1.0.0.15-py27_0.tar.bz2
dependencies:
pyparsing
python 2.7*
pydot-ng 1.0.0.15 py34_0
------------------------
file name : pydot-ng-1.0.0.15-py34_0.tar.bz2
name : pydot-ng
version : 1.0.0.15
build string: py34_0
build number: 0
channel : defaults
size : 46 KB
arch : x86_64
date : 2015-09-09
license : MIT
md5 : 13e3a10b45edfb38d91a51d6b3ccabc7
noarch : None
platform : linux
url : https://repo.continuum.io/pkgs/free/linux-64/pydot-ng-
1.0.0.15-py34_0.tar.bz2
dependencies:
pyparsing
python 3.4*
What is the problem? 问题是什么? Shouldn't conda be able to install the pydot-ng 1.0.0.15 py34_0
version which would be compatible with python 3.6 (I presume)? pydot-ng 1.0.0.15 py34_0
不能安装与python 3.6兼容的pydot-ng 1.0.0.15 py34_0
版本吗(我认为)?
That's not how conda works - the package is built for a specific version of Python, unless the package builder specifically says that its a universal package and can be installed for many versions. 这不是conda的工作方式-程序包是为特定版本的Python构建的,除非程序包构建器明确指出该程序包是通用程序包,并且可以安装多个版本。 The simplest solution to this is to create a new environment to install this package: 最简单的解决方案是创建一个新环境来安装此软件包:
conda create -n pydotng python=3.4 pydot-ng
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