Предупреждение SNIMissingWarning при установке/обновлении приложений через pip

/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:318: SNIMissingWarning: An HTTPS
request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may
cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer
version of Python to solve this. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#snimis
singwarning.
 SNIMissingWarning
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:122: InsecurePlatformWarning: A
true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urlli
b3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
 InsecurePlatformWarning

pip install --upgrade pyOpenSSL