odoo14 odoo15 有时安装时提示pip 需更新

odoo14 odoo15 有时安装时提示pip 需更新

odoo14 odoo15 有时安装时提示pip 需更新，最近看几次不同环境下安装时，有时会提示更新pip

按提示使用pip install --upgrade pip更新往往失败

换成

python -m pip install --upgrade pip
更新成功后

(venv) D:od15>pip install -r requirements.txt -i https://pypi.doubanio.com/simple
 

Successfully installed Babel-2.6.0 Jinja2-2.10.1 MarkupSafe-1.1.0 Pillow-8.1.2 PyPDF2
-1.26.0 Werkzeug-0.16.1 XlsxWriter-1.1.2 appdirs-1.4.4 attrs-21.4.0 beautifulsoup4-4.
10.0 cached-property-1.5.2 certifi-2021.10.8 cffi-1.15.0 chardet-3.0.4 colorama-0.4.4
 cryptography-36.0.1 decorator-4.4.2 defusedxml-0.7.1 docutils-0.16 ebaysdk-2.1.5 fre
ezegun-0.3.11 gevent-1.5.0 greenlet-0.4.15 html2text-2020.1.16 idna-2.8 isodate-0.6.1
 libsass-0.18.0 lxml-4.7.1 num2words-0.5.6 ofxparse-0.19 passlib-1.7.2 polib-1.1.0 ps
util-5.6.6 psycopg2-2.8.6 pycparser-2.21 pydot-1.4.1 pyopenssl-19.0.0 pyparsing-3.0.6
 pypiwin32-223 pyserial-3.4 python-dateutil-2.7.3 python-stdnum-1.13 pytz-2019.3 pyus
b-1.0.2 pywin32-303 qrcode-6.1 reportlab-3.5.59 requests-2.22.0 requests-toolbelt-0.9
.1 six-1.16.0 soupsieve-2.3.1 urllib3-1.25.11 vobject-0.9.6.1 xlrd-1.1.0 xlwt-1.3.0 z
eep-3.4.0