Created temporary directory: /tmp/pip-ephem-wheel-cache-uecigktb
Created temporary directory: /tmp/pip-req-tracker-tp4w80zi
Created requirements tracker '/tmp/pip-req-tracker-tp4w80zi'
Created temporary directory: /tmp/pip-wheel-f7mnc1tu
Collecting yufeng-test==0.0.1
  1 location(s) to search for versions of yufeng-test:
  * https://pypi.org/simple/yufeng-test/
  Getting page https://pypi.org/simple/yufeng-test/
  Analyzing links from page https://pypi.org/simple/yufeng-test/
    Found link https://files.pythonhosted.org/packages/d1/82/4dfd7469c69f649359fff2a1bf3e807a921900d60bde0d47888dc282db41/yufeng_test-0.0.1-py3-none-any.whl#sha256=b16a5463626c116835a5f345029edf91d1772fd8bd1e1c21d7648e04e4f33e45 (from https://pypi.org/simple/yufeng-test/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/51/b5/5f2d5c3487bcbdefdb764ec33acb6f530847534d4d082d261f2620de1856/yufeng_test-0.0.1.tar.gz#sha256=8be20668f46c1e614f893fabe48a2ec7634d2cc51f90f5a7534341ff4c0c7ed2 (from https://pypi.org/simple/yufeng-test/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-hlw86src
  Downloading https://files.pythonhosted.org/packages/d1/82/4dfd7469c69f649359fff2a1bf3e807a921900d60bde0d47888dc282db41/yufeng_test-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d1/82/4dfd7469c69f649359fff2a1bf3e807a921900d60bde0d47888dc282db41/yufeng_test-0.0.1-py3-none-any.whl#sha256=b16a5463626c116835a5f345029edf91d1772fd8bd1e1c21d7648e04e4f33e45 (from https://pypi.org/simple/yufeng-test/)
  Saved /tmp/tmpw4mcn4oe/yufeng_test-0.0.1-py3-none-any.whl
  Added yufeng-test==0.0.1 from https://files.pythonhosted.org/packages/d1/82/4dfd7469c69f649359fff2a1bf3e807a921900d60bde0d47888dc282db41/yufeng_test-0.0.1-py3-none-any.whl#sha256=b16a5463626c116835a5f345029edf91d1772fd8bd1e1c21d7648e04e4f33e45 to build tracker '/tmp/pip-req-tracker-tp4w80zi'
  Removed yufeng-test==0.0.1 from https://files.pythonhosted.org/packages/d1/82/4dfd7469c69f649359fff2a1bf3e807a921900d60bde0d47888dc282db41/yufeng_test-0.0.1-py3-none-any.whl#sha256=b16a5463626c116835a5f345029edf91d1772fd8bd1e1c21d7648e04e4f33e45 from build tracker '/tmp/pip-req-tracker-tp4w80zi'
Skipping yufeng-test, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-f7mnc1tu/yufeng-test
Removed build tracker '/tmp/pip-req-tracker-tp4w80zi'