conda importe une version spécifique
conda install <pkg>=<version>
#for example
conda install matplotlib=1.4.3
Jittery Jay
conda install <pkg>=<version>
#for example
conda install matplotlib=1.4.3python -m pip install libraryname#To install a package in currently active enviroment
conda install package-namestart /wait "" Miniconda3-latest-Windows-x86_64.exe /InstallationType=JustMe /RegisterPython=0 /S /D=%UserProfile%\Miniconda3Format Sample Specification Results
Exact qtconsole==4.5.1 4.5.1
Fuzzy qtconsole=4.5 4.5.0, 4.5.1, ..., etc.
>=, >, <, <= "qtconsole>=4.5" 4.5.0 or higher
qtconsole"<4.6" less than 4.6.0
OR "qtconsole=4.5.1|4.5.2" 4.5.1, 4.5.2
AND "qtconsole>=4.3.1,<4.6" 4.3.1 or higher but less than 4.6.0
usage: conda install [-h] [--revision REVISION] [-n ENVIRONMENT | -p PATH]
[-c CHANNEL] [--use-local] [--override-channels]
[--repodata-fn REPODATA_FNS] [--strict-channel-priority]
[--no-channel-priority] [--no-deps | --only-deps]
[--no-pin] [--copy] [-C] [-k] [--offline] [-d] [--json]
[-q] [-v] [-y] [--download-only] [--show-channel-urls]
[--file FILE]
[--experimental-solver {classic,libmamba,libmamba-draft}]
[--force-reinstall]
[--freeze-installed | --update-deps | -S | --update-all | --update-specs]
[-m] [--clobber] [--dev]
[package_spec [package_spec ...]]