python pip : Can't install matplotlib (ConnectTimeoutError)

Question

运行以下命令:

pip install matplotlib --disable-pip-version-check

给出以下输出:

Collecting matplotlib
  Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'ConnectTimeoutError(<pip
._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x02D9D0F0>, 'Connection to pypi.python.
org timed out. (connect timeout=15)')': /simple/matplotlib/
  Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'ConnectTimeoutError(<pip
._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x02D9DE70>, 'Connection to pypi.python.
org timed out. (connect timeout=15)')': /simple/matplotlib/
  Retrying (Retry(total=2, connect=None, read=None, redirect=None)) after connection broken by 'ConnectTimeoutError(<pip
._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x02D9D890>, 'Connection to pypi.python.
org timed out. (connect timeout=15)')': /simple/matplotlib/
  Retrying (Retry(total=1, connect=None, read=None, redirect=None)) after connection broken by 'ConnectTimeoutError(<pip
._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x02D9D8D0>, 'Connection to pypi.python.
org timed out. (connect timeout=15)')': /simple/matplotlib/
  Retrying (Retry(total=0, connect=None, read=None, redirect=None)) after connection broken by 'ConnectTimeoutError(<pip
._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x02D9DD90>, 'Connection to pypi.python.
org timed out. (connect timeout=15)')': /simple/matplotlib/
  Could not find a version that satisfies the requirement matplotlib (from versions: )
No matching distribution found for matplotlib

Answer 1

检查您的互联网连接。

您似乎无法访问 Internet。不太可能，PyPi 遇到临时问题，您应该稍后尝试连接。