pip install xxx的时候发生报错：
File "/root/miniconda3/envs/new/lib/python3.8/site-packages/pip/_vendor/urllib3/response.py", line 622, in streamdata = self.read(amt=amt, decode_content=decode_content)File "/root/miniconda3/envs/new/lib/python3.8/site-packages/pip/_vendor/urllib3/response.py", line 587, in readraise IncompleteRead(self._fp_bytes_read, self.length_remaining)File "/root/miniconda3/envs/new/lib/python3.8/contextlib.py", line 131, in __exit__self.gen.throw(type, value, traceback)File "/root/miniconda3/envs/new/lib/python3.8/site-packages/pip/_vendor/urllib3/response.py", line 455, in _error_catcherraise ProtocolError("Connection broken: %r" % e, e)
pip._vendor.urllib3.exceptions.ProtocolError: ("Connection broken: OSError(28, 'No space left on device')", OSError(28, 'No space left on device'))
原因：
build目录的空间不够
解决方法：
指定一个build目录，用于存放缓存
pip install --cache-dir=/home/user/dirname xxx
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