Created temporary directory: /tmp/pip-ephem-wheel-cache-prubvzp6
Created temporary directory: /tmp/pip-wheel-52_h6zot
Looking in indexes: https://pypi.python.org/simple
Collecting xin-first==0.0.1
  1 location(s) to search for versions of xin-first:
  * https://pypi.python.org/simple/xin-first/
  Getting page https://pypi.python.org/simple/xin-first/
  Analyzing links from page https://pypi.org/simple/xin-first/
    Found link https://files.pythonhosted.org/packages/4c/3b/0062c3f272e7638fc5f495ef73052932a5a2d4337300e4b16c15827a2f8b/xin_first-0.0.1-py3-none-any.whl#sha256=22d5cc1b219854030a6e5a70e17c9db48fb7f8aaec9dba898dfb94053db34464 (from https://pypi.org/simple/xin-first/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/8e/ab/3e1092ce11d357f9229b50716343abdcc696619950e8e8aa4efb6f4ccc39/xin_first-0.0.1.tar.gz#sha256=2e8f0ad29a0c35e1a3b1f95bf139a7df59fb21fc06c3ff7bcafed734ee134d94 (from https://pypi.org/simple/xin-first/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-0x9pvbt5
  Downloading https://files.pythonhosted.org/packages/4c/3b/0062c3f272e7638fc5f495ef73052932a5a2d4337300e4b16c15827a2f8b/xin_first-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/4c/3b/0062c3f272e7638fc5f495ef73052932a5a2d4337300e4b16c15827a2f8b/xin_first-0.0.1-py3-none-any.whl#sha256=22d5cc1b219854030a6e5a70e17c9db48fb7f8aaec9dba898dfb94053db34464 (from https://pypi.org/simple/xin-first/)
  Saved /tmp/tmpmpn8msog/xin_first-0.0.1-py3-none-any.whl
Skipping xin-first, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-52_h6zot/xin-first