linux ubuntu pip search Fault: ＜Fault -32500: “RuntimeError: PyPI‘s XMLRPC API is currently disab

Pip search does not work properly. The following error is reported
Complete error report:

$ pip search absl-py --proxy http://10.xxx.xxx.xxx:8080 --trusted-host=pypi.python.org
/usr/share/python-wheels/urllib3-1.22-py2.py3-none-any.whl/urllib3/connectionpool.py:860: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/search.py", line 45, in run
    pypi_hits = self.search(query, options)
  File "/usr/lib/python2.7/dist-packages/pip/commands/search.py", line 62, in search
    hits = pypi.search({'name': query, 'summary': query}, 'or')
  File "/usr/lib/python2.7/xmlrpclib.py", line 1243, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1602, in __request
    verbose=self.__verbose
  File "/usr/lib/python2.7/dist-packages/pip/download.py", line 778, in request
    return self.parse_response(response.raw)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1493, in parse_response
    return u.close()
  File "/usr/lib/python2.7/xmlrpclib.py", line 800, in close
    raise Fault(**self._stack[0])
Fault: <Fault -32500: "RuntimeError: PyPI's XMLRPC API is currently disabled due to unmanageable load and will be deprecated in the near future. See https://status.python.org/ for more information.">

Because the website is temporarily turned off this feature, see: https://status.python.org/

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