<p>运行以下命令:</p>
<pre><code>pip install matplotlib --disable-pip-version-check
</code></pre>
<p>提供以下输出:</p>
<pre><code>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
</code></pre>