我一直使用 Anaconda 作为我的包管理器，但不知道建议在虚拟环境中而不是全局安装其他包。因此，我只需打开一个终端窗口并运行以下命令，就可以在我的基本环境中安装所有软件包：
<块引用>pip3 install requests_html
<块引用>conda 安装 sklearn
这似乎工作了一段时间，直到我最近决定尝试更新我的软件包。我试过跑步
<块引用>conda 更新 --all
然后提供了将更新的所有包的列表。然而，它也说一些包会被降级，经过一些谷歌搜索似乎是由于版本冲突，这就是推荐环境的原因。
示例输出：
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: /Users/mahuja/opt/anaconda3
The following packages will be downloaded:
package | build
---------------------------|-----------------
_anaconda_depends-2020.07 | py38_0 6 KB
anaconda-custom | py38_1 35 KB
anaconda-navigator-1.10.0 | py38_0 6.2 MB
anaconda-project-0.9.1 | pyhd3eb1b0_1 215 KB
appdirs-1.4.4 | py_0 13 KB
appnope-0.1.2 |py38hecd8cb5_1001 10 KB
argon2-cffi-20.1.0 | py38haf1e3a3_1 44 KB
asn1crypto-1.4.0 | py_0 80 KB
backports-1.0 | pyhd3eb1b0_2 210 KB
backports.functools_lru_cache-1.6.1| pyhd3eb1b0_0 12 KB
backports.shutil_get_terminal_size-1.0.0| pyhd3eb1b0_3 10 KB
backports.tempfile-1.0 | pyhd3eb1b0_1 11 KB
beautifulsoup4-4.9.3 | pyha847dfd_0 86 KB
bitarray-1.6.3 | py38h9ed2024_1 92 KB
black-19.10b0 | py_0 86 KB
bleach-3.2.2 | pyhd3eb1b0_0 113 KB
blosc-1.20.1 | hab81aa3_0 56 KB
bokeh-2.2.3 | py38_0 5.3 MB
brotli-1.0.9 | hb1e8313_2 398 KB
brotlipy-0.7.0 |py38h9ed2024_1003 331 KB
gevent-21.1.1 | py38h9ed2024_1 1.5 MB
giflib-5.1.4 | h1de35cc_1 59 KB
glib-2.66.1 | h9bbe63b_0 2.7 MB
glob2-0.7 | pyhd3eb1b0_0 12 KB
greenlet-0.4.17 | py38haf1e3a3_0 20 KB
idna-2.10 | pyhd3eb1b0_0 52 KB
imagecodecs-2021.1.11 | py38h2ea9c00_1 5.4 MB
importlib-metadata-2.0.0 | py_1 35 KB
importlib_metadata-2.0.0 | 1 11 KB
iniconfig-1.1.1 | pyhd3eb1b0_0 8 KB
intervaltree-3.1.0 | py_0 26 KB
ipykernel-5.3.4 | py38h5ca1d4c_0 180 KB
ipython-7.19.0 | py38h01d92e1_1 991 KB
ipython_genutils-0.2.0 | pyhd3eb1b0_1 27 KB
ipywidgets-7.6.3 | pyhd3eb1b0_1 105 KB
isort-5.6.4 | py_0 78 KB
jedi-0.17.2 | py38hecd8cb5_1 923 KB
jinja2-2.11.2 | pyhd3eb1b0_0 93 KB
joblib-1.0.0 | pyhd3eb1b0_0 208 KB
jsonschema-3.2.0 | py_2 47 KB
jupyter_client-6.1.7 | py_0 77 KB
jupyter_console-6.2.0 | py_0 26 KB
jupyter_core-4.7.0 | py38hecd8cb5_0 68 KB
jupyterlab-2.2.6 | py_0 3.4 MB
jupyterlab_pygments-0.1.2 | py_0 8 KB
jupyterlab_widgets-1.0.0 | pyhd3eb1b0_1 109 KB
jxrlib-1.1 | haf1e3a3_2 206 KB
matplotlib-base-3.3.2 | py38h181983e_0 5.1 MB
mkl_fft-1.2.0 | py38hc64f4ea_0 143 KB
mock-4.0.3 | pyhd3eb1b0_0 29 KB
more-itertools-8.6.0 | pyhd3eb1b0_0 40 KB
msgpack-python-1.0.1 | py38hf7b0b51_0 75 KB
mypy_extensions-0.4.3 | py38_0 9 KB
nbclient-0.5.1 | py_0 58 KB
nbconvert-6.0.7 | py38_0 483 KB
nbformat-5.1.2 | pyhd3eb1b0_1 68 KB
nest-asyncio-1.4.3 | pyhd3eb1b0_0 11 KB
networkx-2.5 | py_0 1.1 MB
nose-1.3.7 | pyhd3eb1b0_1006 128 KB
notebook-6.2.0 | py38hecd8cb5_0 4.1 MB
numba-0.51.2 | py38h6440ff4_1 3.1 MB
numexpr-2.7.2 | py38h16bde0e_0 120 KB
numpy-1.19.2 | py38h456fd55_0 21 KB
numpy-base-1.19.2 | py38hcfb5961_0 4.0 MB
numpydoc-1.1.0 | pyhd3eb1b0_1 42 KB
openjpeg-2.3.0 | hb95cd4c_1 281 KB
openpyxl-3.0.6 | pyhd3eb1b0_0 159 KB
openssl-1.1.1i | h9ed2024_0 2.2 MB
packaging-20.8 | pyhd3eb1b0_0 36 KB
pandas-1.2.1 | py38hb2f4e1b_0 8.3 MB
pandoc-2.11 | h0dc7051_0 10.8 MB
pandocfilters-1.4.3 | py38hecd8cb5_1 14 KB
path-15.0.1 | py38hecd8cb5_0 37 KB
path.py-12.5.0 | 0 4 KB
pathlib2-2.3.5 | py38hecd8cb5_2 38 KB
pathspec-0.7.0 | py_0 26 KB
pexpect-4.8.0 | pyhd3eb1b0_3 53 KB
pickleshare-0.7.5 | pyhd3eb1b0_1003 13 KB
pillow-8.1.0 | py38h5270095_0 590 KB
pip-20.3.3 | py38hecd8cb5_0 1.8 MB
pkginfo-1.7.0 | py38hecd8cb5_0 43 KB
prometheus_client-0.9.0 | pyhd3eb1b0_0 45 KB
prompt-toolkit-3.0.8 | py_0 248 KB
prompt_toolkit-3.0.8 | 0 12 KB
psutil-5.7.2 | py38haf1e3a3_0 341 KB
ptyprocess-0.7.0 | pyhd3eb1b0_2 17 KB
py-1.10.0 | pyhd3eb1b0_0 76 KB
pycurl-7.43.0.6 | py38hddc9c9b_0 66 KB
pydocstyle-5.1.1 | py_0 38 KB
pyerfa-1.7.1.1 | py38h9ed2024_1 296 KB
pygments-2.7.4 | pyhd3eb1b0_0 676 KB
pylint-2.6.0 | py38_0 438 KB
pyls-black-0.4.6 | hd3eb1b0_0 9 KB
pyls-spyder-0.3.0 | pyhd3eb1b0_0 10 KB
pyopenssl-20.0.1 | pyhd3eb1b0_1 49 KB
pyparsing-2.4.7 | pyhd3eb1b0_0 59 KB
pyrsistent-0.17.3 | py38haf1e3a3_0 89 KB
pytest-6.2.1 | py38hecd8cb5_0 427 KB
python-3.8.5 | h26836e1_1 20.6 MB
python-jsonrpc-server-0.4.0| py_0 12 KB
python-language-server-0.36.2| pyhd3eb1b0_0 41 KB
python-libarchive-c-2.9 | pyhd3eb1b0_0 46 KB
python.app-3 | py38h9ed2024_0 20 KB
pytz-2020.5 | pyhd3eb1b0_0 182 KB
pywavelets-1.1.1 | py38haf1e3a3_2 3.4 MB
pyyaml-5.4.1 | py38h9ed2024_1 165 KB
pyzmq-20.0.0 | py38h23ab428_1 405 KB
qtawesome-1.0.1 | py_0 757 KB
qtconsole-4.7.7 | py_0 96 KB
regex-2020.11.13 | py38h9ed2024_0 310 KB
requests-2.25.1 | pyhd3eb1b0_0 52 KB
ripgrep-12.1.1 | 0 1.3 MB
rope-0.18.0 | py_0 126 KB
scikit-image-0.17.2 | py38h81aa140_0 8.9 MB
scikit-learn-0.23.2 | py38h959d312_0 4.7 MB
scipy-1.5.2 | py38h2515648_0 13.3 MB
seaborn-0.11.1 | pyhd3eb1b0_0 212 KB
send2trash-1.5.0 | pyhd3eb1b0_1 14 KB
setuptools-51.3.3 | py38hecd8cb5_4 727 KB
singledispatch-3.4.0.3 | py_1001 12 KB
six-1.15.0 | py38hecd8cb5_0 27 KB
snowballstemmer-2.1.0 | pyhd3eb1b0_0 62 KB
sortedcollections-2.1.0 | pyhd3eb1b0_0 12 KB
sortedcontainers-2.3.0 | pyhd3eb1b0_0 26 KB
soupsieve-2.1 | pyhd3eb1b0_0 31 KB
sphinx-3.4.3 | pyhd3eb1b0_0 1.1 MB
sphinxcontrib-websupport-1.2.4| py_0 34 KB
spyder-4.2.0 | py38hecd8cb5_0 5.7 MB
spyder-kernels-1.10.1 | py38hecd8cb5_0 101 KB
sqlalchemy-1.3.21 | py38h9ed2024_0 1.5 MB
sqlite-3.33.0 | hffcf06c_0 1.3 MB
statsmodels-0.12.1 | py38h9ed2024_0 8.2 MB
sympy-1.7.1 | py38hecd8cb5_0 8.8 MB
tbb-2020.3 | h879752b_0 147 KB
tblib-1.7.0 | py_0 16 KB
terminado-0.9.2 | py38hecd8cb5_0 25 KB
three-merge-0.1.1 | pyhd3eb1b0_0 10 KB
tifffile-2021.1.14 | pyhd3eb1b0_1 126 KB
toolz-0.11.1 | pyhd3eb1b0_0 46 KB
tornado-6.1 | py38h9ed2024_0 585 KB
tqdm-4.55.1 | pyhd3eb1b0_0 77 KB
traitlets-5.0.5 | py_0 83 KB
typed-ast-1.4.2 | py38h9ed2024_1 183 KB
typing_extensions-3.7.4.3 | py_0 28 KB
ujson-4.0.2 | py38h23ab428_0 46 KB
unixodbc-2.3.9 | haf1e3a3_0 251 KB
urllib3-1.26.2 | pyhd3eb1b0_0 105 KB
watchdog-0.10.4 | py38h9ed2024_0 96 KB
wheel-0.36.2 | pyhd3eb1b0_0 33 KB
wrapt-1.11.2 | py38h9ed2024_0 45 KB
xlrd-2.0.1 | pyhd3eb1b0_0 90 KB
xlsxwriter-1.3.7 | py_0 108 KB
xlwings-0.21.4 | py38hecd8cb5_0 446 KB
zeromq-4.3.3 | hb1e8313_3 414 KB
zfp-0.5.5 | h23ab428_4 147 KB
zipp-3.4.0 | pyhd3eb1b0_0 15 KB
zope.event-4.5.0 | py38_0 209 KB
zope.interface-5.2.0 | py38h9ed2024_0 281 KB
------------------------------------------------------------
Total: 201.5 MB
The following NEW packages will be INSTALLED:
_anaconda_depends pkgs/main/osx-64::_anaconda_depends-2020.07-py38_0
appdirs pkgs/main/noarch::appdirs-1.4.4-py_0
argon2-cffi pkgs/main/osx-64::argon2-cffi-20.1.0-py38haf1e3a3_1
async_generator pkgs/main/noarch::async_generator-1.10-py_0
black pkgs/main/noarch::black-19.10b0-py_0
brotli pkgs/main/osx-64::brotli-1.0.9-hb1e8313_2
brunsli pkgs/main/osx-64::brunsli-0.1-h23ab428_0
charls pkgs/main/osx-64::charls-2.1.0-hb1e8313_2
giflib pkgs/main/osx-64::giflib-5.1.4-h1de35cc_1
imagecodecs pkgs/main/osx-64::imagecodecs-2021.1.11-py38h2ea9c00_1
iniconfig pkgs/main/noarch::iniconfig-1.1.1-pyhd3eb1b0_0
jupyterlab_pygmen~ pkgs/main/noarch::jupyterlab_pygments-0.1.2-py_0
jupyterlab_widgets pkgs/main/noarch::jupyterlab_widgets-1.0.0-pyhd3eb1b0_1
jxrlib pkgs/main/osx-64::jxrlib-1.1-haf1e3a3_2
lerc pkgs/main/osx-64::lerc-2.2.1-h23ab428_0
libaec pkgs/main/osx-64::libaec-1.0.4-hb1e8313_1
libdeflate pkgs/main/osx-64::libdeflate-1.7-h9ed2024_5
libllvm10 pkgs/main/osx-64::libllvm10-10.0.1-h76017ad_5
libwebp pkgs/main/osx-64::libwebp-1.0.1-hd73b212_0
libzopfli pkgs/main/osx-64::libzopfli-1.0.3-hb1e8313_0
mypy_extensions pkgs/main/osx-64::mypy_extensions-0.4.3-py38_0
nbclient pkgs/main/noarch::nbclient-0.5.1-py_0
nest-asyncio pkgs/main/noarch::nest-asyncio-1.4.3-pyhd3eb1b0_0
openjpeg pkgs/main/osx-64::openjpeg-2.3.0-hb95cd4c_1
pathspec pkgs/main/noarch::pathspec-0.7.0-py_0
pyerfa pkgs/main/osx-64::pyerfa-1.7.1.1-py38h9ed2024_1
pyls-black pkgs/main/noarch::pyls-black-0.4.6-hd3eb1b0_0
pyls-spyder pkgs/main/noarch::pyls-spyder-0.3.0-pyhd3eb1b0_0
three-merge pkgs/main/noarch::three-merge-0.1.1-pyhd3eb1b0_0
tifffile pkgs/main/noarch::tifffile-2021.1.14-pyhd3eb1b0_1
typed-ast pkgs/main/osx-64::typed-ast-1.4.2-py38h9ed2024_1
zfp pkgs/main/osx-64::zfp-0.5.5-h23ab428_4
The following packages will be UPDATED:
anaconda-navigator 1.9.12-py38_0 --> 1.10.0-py38_0
anaconda-project 0.8.4-py_0 --> 0.9.1-pyhd3eb1b0_1
appnope 0.1.0-py38_1001 --> 0.1.2-py38hecd8cb5_1001
asn1crypto pkgs/main/osx-64::asn1crypto-1.3.0-py~ --> pkgs/main/noarch::asn1crypto-1.4.0-py_0
astropy 4.0.1.post1-py38h01d97ff_1 --> 4.2-py38h9ed2024_0
attrs 19.3.0-py_0 --> 20.3.0-pyhd3eb1b0_0
autopep8 1.5.3-py_0 --> 1.5.4-py_0
babel 2.8.0-py_0 --> 2.9.0-pyhd3eb1b0_0
backports.shutil_~ pkgs/main/osx-64::backports.shutil_ge~ --> pkgs/main/noarch::backports.shutil_get_terminal_size-1.0.0-pyhd3eb1b0_3
beautifulsoup4 pkgs/main/osx-64::beautifulsoup4-4.9.~ --> pkgs/main/noarch::beautifulsoup4-4.9.3-pyha847dfd_0
bitarray 1.4.0-py38haf1e3a3_0 --> 1.6.3-py38h9ed2024_1
bleach 3.1.5-py_0 --> 3.2.2-pyhd3eb1b0_0
blosc 1.19.0-hab81aa3_0 --> 1.20.1-hab81aa3_0
bokeh 2.1.1-py38_0 --> 2.2.3-py38_0
brotlipy 0.7.0-py38haf1e3a3_1000 --> 0.7.0-py38h9ed2024_1003
ca-certificates 2020.6.24-0 --> 2021.1.19-hecd8cb5_0
certifi 2020.6.20-py38_0 --> 2020.12.5-py38hecd8cb5_0
cffi 1.14.0-py38hc512035_1 --> 1.14.4-py38h2125817_0
chardet 3.0.4-py38_1003 --> 4.0.0-py38hecd8cb5_1003
cloudpickle 1.5.0-py_0 --> 1.6.0-py_0
colorama 0.4.3-py_0 --> 0.4.4-pyhd3eb1b0_0
conda-build 3.20.0-py38_0 --> 3.21.4-py38hecd8cb5_0
conda-package-han~ 1.6.1-py38h1de35cc_0 --> 1.7.2-py38h22f3db7_0
cryptography 2.9.2-py38ha12b0ac_0 --> 3.3.1-py38hbcfaee0_0
cytoolz 0.10.1-py38h1de35cc_0 --> 0.11.0-py38haf1e3a3_0
dask 2.20.0-py_0 --> 2020.12.0-pyhd3eb1b0_0
dask-core 2.20.0-py_0 --> 2020.12.0-pyhd3eb1b0_0
dbus 1.13.16-h18a8e69_0 --> 1.13.18-h18a8e69_0
distributed 2.20.0-py38_0 --> 2021.1.0-py38hecd8cb5_0
expat 2.2.9-hb1e8313_2 --> 2.2.10-hb1e8313_2
filelock 3.0.12-py_0 --> 3.0.12-pyhd3eb1b0_1
flake8 3.8.3-py_0 --> 3.8.4-py_0
freetype 2.10.2-ha233b18_0 --> 2.10.4-ha233b18_0
fsspec 0.7.4-py_0 --> 0.8.3-py_0
gevent 20.6.2-py38haf1e3a3_0 --> 21.1.1-py38h9ed2024_1
glib 2.65.0-hc5f4afa_0 --> 2.66.1-h9bbe63b_0
greenlet 0.4.16-py38haf1e3a3_0 --> 0.4.17-py38haf1e3a3_0
importlib-metadata pkgs/main/osx-64::importlib-metadata-~ --> pkgs/main/noarch::importlib-metadata-2.0.0-py_1
importlib_metadata 1.7.0-0 --> 2.0.0-1
intervaltree 3.0.2-py_1 --> 3.1.0-py_0
ipykernel 5.3.2-py38h5ca1d4c_0 --> 5.3.4-py38h5ca1d4c_0
ipython 7.16.1-py38h5ca1d4c_0 --> 7.19.0-py38h01d92e1_1
ipython_genutils pkgs/main/osx-64::ipython_genutils-0.~ --> pkgs/main/noarch::ipython_genutils-0.2.0-pyhd3eb1b0_1
ipywidgets 7.5.1-py_0 --> 7.6.3-pyhd3eb1b0_1
isort pkgs/main/osx-64::isort-4.3.21-py38_0 --> pkgs/main/noarch::isort-5.6.4-py_0
jedi 0.17.1-py38_0 --> 0.17.2-py38hecd8cb5_1
joblib 0.16.0-py_0 --> 1.0.0-pyhd3eb1b0_0
jsonschema pkgs/main/osx-64::jsonschema-3.2.0-py~ --> pkgs/main/noarch::jsonschema-3.2.0-py_2
jupyter_client 6.1.6-py_0 --> 6.1.7-py_0
jupyter_console 6.1.0-py_0 --> 6.2.0-py_0
jupyter_core 4.6.3-py38_0 --> 4.7.0-py38hecd8cb5_0
jupyterlab 2.1.5-py_0 --> 2.2.6-py_0
keyring 21.2.1-py38_0 --> 21.8.0-py38hecd8cb5_0
kiwisolver 1.2.0-py38h04f5b5a_0 --> 1.3.0-py38h23ab428_0
lazy-object-proxy 1.4.3-py38h1de35cc_0 --> 1.4.3-py38h9ed2024_2
libxml2 2.9.10-h3b9e6c8_1 --> 2.9.10-h7cdb67c_3
llvmlite 0.33.0-py38ha11be7d_1 --> 0.34.0-py38h739e7dc_4
locket 0.2.0-py38_1 --> 0.2.1-py38hecd8cb5_1
lxml 4.5.2-py38h63b7cb6_0 --> 4.6.2-py38h26b266a_0
lz4-c 1.9.2-h0a44026_0 --> 1.9.3-h23ab428_0
matplotlib 3.2.2-0 --> 3.3.2-hecd8cb5_0
matplotlib-base 3.2.2-py38h5670ca0_0 --> 3.3.2-py38h181983e_0
mkl_fft 1.1.0-py38hc64f4ea_0 --> 1.2.0-py38hc64f4ea_0
mock 4.0.2-py_0 --> 4.0.3-pyhd3eb1b0_0
more-itertools 8.4.0-py_0 --> 8.6.0-pyhd3eb1b0_0
msgpack-python 1.0.0-py38h04f5b5a_1 --> 1.0.1-py38hf7b0b51_0
nbconvert 5.6.1-py38_1 --> 6.0.7-py38_0
nbformat 5.0.7-py_0 --> 5.1.2-pyhd3eb1b0_1
networkx 2.4-py_1 --> 2.5-py_0
nose pkgs/main/osx-64::nose-1.3.7-py38_1004 --> pkgs/main/noarch::nose-1.3.7-pyhd3eb1b0_1006
notebook 6.0.3-py38_0 --> 6.2.0-py38hecd8cb5_0
numba 0.50.1-py38h959d312_1 --> 0.51.2-py38h6440ff4_1
numexpr 2.7.1-py38hce01a72_0 --> 2.7.2-py38h16bde0e_0
numpy 1.18.5-py38h1da2735_0 --> 1.19.2-py38h456fd55_0
numpy-base 1.18.5-py38h3304bdc_0 --> 1.19.2-py38hcfb5961_0
numpydoc 1.1.0-py_0 --> 1.1.0-pyhd3eb1b0_1
openpyxl 3.0.4-py_0 --> 3.0.6-pyhd3eb1b0_0
openssl 1.1.1g-h1de35cc_0 --> 1.1.1i-h9ed2024_0
packaging 20.4-py_0 --> 20.8-pyhd3eb1b0_0
pandas 1.0.5-py38h959d312_0 --> 1.2.1-py38hb2f4e1b_0
pandoc 2.10-0 --> 2.11-h0dc7051_0
pandocfilters 1.4.2-py38_1 --> 1.4.3-py38hecd8cb5_1
path 13.1.0-py38_0 --> 15.0.1-py38hecd8cb5_0
path.py 12.4.0-0 --> 12.5.0-0
pathlib2 2.3.5-py38_1 --> 2.3.5-py38hecd8cb5_2
pexpect pkgs/main/osx-64::pexpect-4.8.0-py38_1 --> pkgs/main/noarch::pexpect-4.8.0-pyhd3eb1b0_3
pickleshare pkgs/main/osx-64::pickleshare-0.7.5-p~ --> pkgs/main/noarch::pickleshare-0.7.5-pyhd3eb1b0_1003
pillow 7.2.0-py38ha54b6ba_0 --> 8.1.0-py38h5270095_0
pip 20.1.1-py38_1 --> 20.3.3-py38hecd8cb5_0
pkginfo 1.5.0.1-py38_0 --> 1.7.0-py38hecd8cb5_0
prometheus_client 0.8.0-py_0 --> 0.9.0-pyhd3eb1b0_0
prompt-toolkit 3.0.5-py_0 --> 3.0.8-py_0
prompt_toolkit 3.0.5-0 --> 3.0.8-0
psutil 5.7.0-py38h1de35cc_0 --> 5.7.2-py38haf1e3a3_0
ptyprocess pkgs/main/osx-64::ptyprocess-0.6.0-py~ --> pkgs/main/noarch::ptyprocess-0.7.0-pyhd3eb1b0_2
py 1.9.0-py_0 --> 1.10.0-pyhd3eb1b0_0
pycurl 7.43.0.5-py38ha12b0ac_0 --> 7.43.0.6-py38hddc9c9b_0
pydocstyle 5.0.2-py_0 --> 5.1.1-py_0
pygments 2.6.1-py_0 --> 2.7.4-pyhd3eb1b0_0
pylint 2.5.3-py38_0 --> 2.6.0-py38_0
pyopenssl 19.1.0-py_1 --> 20.0.1-pyhd3eb1b0_1
pyrsistent 0.16.0-py38h1de35cc_0 --> 0.17.3-py38haf1e3a3_0
pytest 5.4.3-py38_0 --> 6.2.1-py38hecd8cb5_0
python 3.8.3-h26836e1_2 --> 3.8.5-h26836e1_1
python-jsonrpc-se~ 0.3.4-py_1 --> 0.4.0-py_0
python-language-s~ pkgs/main/osx-64::python-language-ser~ --> pkgs/main/noarch::python-language-server-0.36.2-pyhd3eb1b0_0
python.app 2-py38_10 --> 3-py38h9ed2024_0
pytz 2020.1-py_0 --> 2020.5-pyhd3eb1b0_0
pywavelets 1.1.1-py38h1de35cc_0 --> 1.1.1-py38haf1e3a3_2
pyyaml 5.3.1-py38haf1e3a3_1 --> 5.4.1-py38h9ed2024_1
pyzmq 19.0.1-py38hb1e8313_1 --> 20.0.0-py38h23ab428_1
qtawesome 0.7.2-py_0 --> 1.0.1-py_0
qtconsole 4.7.5-py_0 --> 0.11.1-pyhd3eb1b0_0
send2trash pkgs/main/osx-64::send2trash-1.5.0-py~ --> pkgs/main/noarch::send2trash-1.5.0-pyhd3eb1b0_1
setuptools 49.2.0-py38_0 --> 51.3.3-py38hecd8cb5_4
singledispatch pkgs/main/osx-64::singledispatch-3.4.~ --> pkgs/main/noarch::singledispatch-3.4.0.3-py_1001
snowballstemmer 2.0.0-py_0 --> 2.1.0-pyhd3eb1b0_0
sortedcollections 1.2.1-py_0 --> 2.1.0-pyhd3eb1b0_0
sortedcontainers 2.2.2-py_0 --> 2.3.0-pyhd3eb1b0_0
soupsieve 2.0.1-py_0 --> 2.1-pyhd3eb1b0_0
sphinx 3.1.2-py_0 --> 3.4.3-pyhd3eb1b0_0
sphinxcontrib-web~ 1.2.3-py_0 --> 1.2.4-py_0
spyder 4.1.4-py38_0 --> 4.2.0-py38hecd8cb5_0
spyder-kernels 1.9.2-py38_0 --> 1.10.1-py38hecd8cb5_0
sqlalchemy 1.3.18-py38haf1e3a3_0 --> 1.3.21-py38h9ed2024_0
sqlite 3.32.3-hffcf06c_0 --> 3.33.0-hffcf06c_0
statsmodels 0.11.1-py38haf1e3a3_0 --> 0.12.1-py38h9ed2024_0
sympy 1.6.1-py38_0 --> 1.7.1-py38hecd8cb5_0
tbb 2020.0-h04f5b5a_0 --> 2020.3-h879752b_0
tblib 1.6.0-py_0 --> 1.7.0-py_0
terminado 0.8.3-py38_0 --> 0.9.2-py38hecd8cb5_0
toolz 0.10.0-py_0 --> 0.11.1-pyhd3eb1b0_0
tornado 6.0.4-py38h1de35cc_1 --> 6.1-py38h9ed2024_0
tqdm 4.47.0-py_0 --> 4.55.1-pyhd3eb1b0_0
traitlets pkgs/main/osx-64::traitlets-4.3.3-py3~ --> pkgs/main/noarch::traitlets-5.0.5-py_0
typing_extensions 3.7.4.2-py_0 --> 3.7.4.3-py_0
ujson 1.35-py38h1de35cc_0 --> 4.0.2-py38h23ab428_0
unixodbc 2.3.7-h1de35cc_0 --> 2.3.9-haf1e3a3_0
urllib3 1.25.9-py_0 --> 1.26.2-pyhd3eb1b0_0
watchdog 0.10.3-py38haf1e3a3_0 --> 0.10.4-py38h9ed2024_0
wheel pkgs/main/osx-64::wheel-0.34.2-py38_0 --> pkgs/main/noarch::wheel-0.36.2-pyhd3eb1b0_0
xlrd 1.2.0-py_0 --> 2.0.1-pyhd3eb1b0_0
xlsxwriter 1.2.9-py_0 --> 1.3.7-py_0
xlwings 0.19.5-py38_0 --> 0.21.4-py38hecd8cb5_0
zeromq 4.3.2-hb1e8313_2 --> 4.3.3-hb1e8313_3
zipp 3.1.0-py_0 --> 3.4.0-pyhd3eb1b0_0
zope.event 4.4-py38_0 --> 4.5.0-py38_0
zope.interface 4.7.1-py38h1de35cc_0 --> 5.2.0-py38h9ed2024_0
The following packages will be SUPERSEDED by a higher-priority channel:
six pkgs/main/noarch::six-1.15.0-py_0 --> pkgs/main/osx-64::six-1.15.0-py38hecd8cb5_0
The following packages will be DOWNGRADED:
anaconda 2020.07-py38_0 --> custom-py38_1
backports 1.0-py_2 --> 1.0-pyhd3eb1b0_2
backports.functoo~ 1.6.1-py_0 --> 1.6.1-pyhd3eb1b0_0
backports.tempfile 1.0-py_1 --> 1.0-pyhd3eb1b0_1
click 7.1.2-py_0 --> 7.1.2-pyhd3eb1b0_0
cython 0.29.21-py38hb1e8313_0 --> 0.29.21-py38h23ab428_0
glob2 0.7-py_0 --> 0.7-pyhd3eb1b0_0
idna 2.10-py_0 --> 2.10-pyhd3eb1b0_0
jinja2 2.11.2-py_0 --> 2.11.2-pyhd3eb1b0_0
lzo 2.10-h1de35cc_2 --> 2.10-haf1e3a3_2
mkl-service 2.3.0-py38hfbe908c_0 --> 2.3.0-py38h9ed2024_0
pyparsing 2.4.7-py_0 --> 2.4.7-pyhd3eb1b0_0
python-libarchive~ 2.9-py_0 --> 2.9-pyhd3eb1b0_0
wrapt 1.11.2-py38h1de35cc_0 --> 1.11.2-py38h9ed2024_0
Proceed ([y]/n)?
我想知道有没有什么方法可以轻松清理我在全局安装的所有软件包，以便我可以重新开始使用虚拟环境？否则有什么办法可以在不发生版本冲突的情况下更新所有内容？