`Traceback (most recent call last): File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/response.py”, line 228, in _error_catcher yield File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/response.py”, line 310, in read data = self._fp.read(amt) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/cachecontrol/filewrapper.py”, line 49, in read data = self.__fp.read(amt) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/http/client.py”, line 433, in read n = self.readinto(b) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/http/client.py”, line 473, in readinto n = self.fp.readinto(b) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/socket.py”, line 571, in readinto return self._sock.recv_into(b) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/ssl.py”, line 924, in recv_into return self.read(nbytes, buffer) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/ssl.py”, line 786, in read return self._sslobj.read(len, buffer) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/ssl.py”, line 570, in read v = self._sslobj.read(len, buffer) socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/basecommand.py”, line 215, in main status = self.run(options, args) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/commands/install.py”, line 299, in run requirement_set.prepare_files(finder) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/req/req_set.py”, line 370, in prepare_files ignore_dependencies=self.ignore_dependencies)) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/req/req_set.py”, line 587, in _prepare_file session=self.session, hashes=hashes) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 810, in unpack_url hashes=hashes File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 649, in unpack_http_url hashes) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 871, in _download_http_url _download_url(resp, link, content_file, hashes) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 595, in _download_url hashes.check_against_chunks(downloaded_chunks) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/utils/hashes.py”, line 46, in check_against_chunks for chunk in chunks: File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 563, in written_chunks for chunk in chunks: File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/utils/ui.py”, line 139, in iter for x in it: File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/download.py”, line 552, in resp_read decode_content=False): File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/response.py”, line 353, in stream data = self.read(amt=amt, decode_content=decode_content) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/response.py”, line 320, in read flush_decoder = True File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/contextlib.py”, line 77, in exit self.gen.throw(type, value, traceback) File “/home/xiaoduc/.pyenv/versions/3.5.0/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/response.py”, line 233, in _error_catcher raise ReadTimeoutError(self._pool, None, ‘Read timed out.’) pip._vendor.requests.packages.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’pypi.python.org’, port=443): Read timed out.`

Python pip install时报错解决办法：