Created temporary directory: /tmp/pip-ephem-wheel-cache-n3wx1ydj
Created temporary directory: /tmp/pip-req-tracker-rr0kob_t
Created requirements tracker '/tmp/pip-req-tracker-rr0kob_t'
Created temporary directory: /tmp/pip-wheel-1xr6p2v_
Collecting siina==19.8.28
  1 location(s) to search for versions of siina:
  * https://pypi.org/simple/siina/
  Getting page https://pypi.org/simple/siina/
  Analyzing links from page https://pypi.org/simple/siina/
    Found link https://files.pythonhosted.org/packages/89/7f/e3a23cceee0849521dcaa649b2c7ac4398c3567bf58e4a8d48e4367090e7/siina-0.1.0a0-py3-none-any.whl#sha256=153bdbb0c329260263f80061c882f9c06351d0a8ab52608a82abfcb599dc52cc (from https://pypi.org/simple/siina/), version: 0.1.0a0
    Found link https://files.pythonhosted.org/packages/53/98/c2dac71f28e2e4467f0b038122264ae32115bd39cbf936897130b8bb91df/siina-0.1.0a0.tar.gz#sha256=e8fb2e36ba14862f1e3a1dc65a627ee2f9e94be2e14473cbac257ca100dc504e (from https://pypi.org/simple/siina/), version: 0.1.0a0
    Found link https://files.pythonhosted.org/packages/49/1c/093bb5b6a1113bd303cbc30980611c02db0f3ab56d2b70d313ee975f811d/siina-19.8.28-py3-none-any.whl#sha256=48ac40523bb75e844945439d97ad794cdba38d45fae5584315e6af8ceca01a3d (from https://pypi.org/simple/siina/), version: 19.8.28
    Found link https://files.pythonhosted.org/packages/fd/ea/ab74cf4c9d2fa4cdec7972e998837c3a9dc9b8986da44281157718cabc7d/siina-19.8.28.tar.gz#sha256=da6dabd03189c45df047d38ed649cfad7ecd1559ed2a8a35a71d5c9647d0011b (from https://pypi.org/simple/siina/), version: 19.8.28
  Using version 19.8.28 (newest of versions: 19.8.28)
  Created temporary directory: /tmp/pip-unpack-9peyxd4b
  Downloading https://files.pythonhosted.org/packages/49/1c/093bb5b6a1113bd303cbc30980611c02db0f3ab56d2b70d313ee975f811d/siina-19.8.28-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/49/1c/093bb5b6a1113bd303cbc30980611c02db0f3ab56d2b70d313ee975f811d/siina-19.8.28-py3-none-any.whl#sha256=48ac40523bb75e844945439d97ad794cdba38d45fae5584315e6af8ceca01a3d (from https://pypi.org/simple/siina/)
  Saved /tmp/tmp1qz0_nbj/siina-19.8.28-py3-none-any.whl
  Added siina==19.8.28 from https://files.pythonhosted.org/packages/49/1c/093bb5b6a1113bd303cbc30980611c02db0f3ab56d2b70d313ee975f811d/siina-19.8.28-py3-none-any.whl#sha256=48ac40523bb75e844945439d97ad794cdba38d45fae5584315e6af8ceca01a3d to build tracker '/tmp/pip-req-tracker-rr0kob_t'
  Removed siina==19.8.28 from https://files.pythonhosted.org/packages/49/1c/093bb5b6a1113bd303cbc30980611c02db0f3ab56d2b70d313ee975f811d/siina-19.8.28-py3-none-any.whl#sha256=48ac40523bb75e844945439d97ad794cdba38d45fae5584315e6af8ceca01a3d from build tracker '/tmp/pip-req-tracker-rr0kob_t'
Skipping siina, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-1xr6p2v_/siina
Removed build tracker '/tmp/pip-req-tracker-rr0kob_t'