Collecting XBlock==1.2.0
  1 location(s) to search for versions of XBlock:
  * https://pypi.python.org/simple/xblock/
  Getting page https://pypi.python.org/simple/xblock/
  Analyzing links from page https://pypi.python.org/simple/xblock/
    Found link https://pypi.python.org/packages/69/cf/39ce43578240ccf8d84d84fbb7b1220d985d245150763ba4bb81ac481236/XBlock-0.4.tar.gz#md5=4bab75be42b020c41e54059ee44eb101 (from https://pypi.python.org/simple/xblock/), version: 0.4
    Found link https://pypi.python.org/packages/58/25/b26a00bea75c2cdc3e8e833b4dac39bf1ccce9049f378ba2d062a2c3a230/XBlock-0.4-41-gfa759bc.tar.gz#md5=8801872eecc45e8d6c4d26f24ded0bd4 (from https://pypi.python.org/simple/xblock/), version: 0.4-41-gfa759bc
    Found link https://pypi.python.org/packages/d3/2e/9aba49dec2a513e0fc9cce5046cb83fb23c3b293700fece66f7fc53e6962/XBlock-0.4.14.tar.gz#md5=8b123e94d69ecd222df5e1950ec9b81e (from https://pypi.python.org/simple/xblock/), version: 0.4.14
    Found link https://pypi.python.org/packages/59/c5/2f86a19aade9a53c3fdf15e3ddd9aa4e8c4870ad09e4c3b35be9ad9f9eb6/XBlock-0.4a0.tar.gz#md5=3f9ee92feb744b2404f7d67a4e3e2460 (from https://pypi.python.org/simple/xblock/), version: 0.4a0
    Skipping link https://pypi.python.org/packages/ff/b1/5cb97eb6c93a585ebf74f2de5d0e3c297b80e56150e317ce7282bb658c3a/XBlock-0.5.0-py2-none-any.whl#md5=181151b6d560f1d4cc2a6c1d9afa9d59 (from https://pypi.python.org/simple/xblock/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/c7/c9/3509c5e4ee12accf342950353c4e718511bb51b39286e341c162a985c512/XBlock-0.5.0.tar.gz#md5=d33e2c4a5fb649bba2b182826f6e83f2 (from https://pypi.python.org/simple/xblock/), version: 0.5.0
    Skipping link https://pypi.python.org/packages/30/d2/b3bc0df8628242025efa324fdf146b630c6aee7b50f8d45150cc55a0cc8c/XBlock-1.0.0-py2-none-any.whl#md5=a8edd1eb4501e460c0ccdf4656c7935c (from https://pypi.python.org/simple/xblock/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/7a/ea/7ea3f554872ade53a5de751183ae12f55fe725fbd42a118582a12be13b31/XBlock-1.0.0.tar.gz#md5=7edf432f9cd64cb00776a139f4fa9cf1 (from https://pypi.python.org/simple/xblock/), version: 1.0.0
    Skipping link https://pypi.python.org/packages/6b/70/5198fff3c133eabbc004f76808dbf68f96be18475b8ef7b231dab9fa357b/XBlock-1.1.1-py2-none-any.whl#md5=56c47c9a07e97c560b2fd40a43868cb7 (from https://pypi.python.org/simple/xblock/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/12/f2/547c8910f15796b6e76d3f1d2b604a1ff2d176dc1ca8a396262e1ca697e0/XBlock-1.1.1-py3-none-any.whl#md5=73c5eec7b74060207bc310d1004e86d1 (from https://pypi.python.org/simple/xblock/), version: 1.1.1
    Found link https://pypi.python.org/packages/37/7b/bc2658ae84046be2601dd6a4200428f8e6cb43ecdd57d454e534a1c5ee5c/XBlock-1.1.1.tar.gz#md5=b4466b7266a1a1049d82f5a68a7cfec9 (from https://pypi.python.org/simple/xblock/), version: 1.1.1
    Found link https://pypi.python.org/packages/2c/34/531fc5511c4114a1f5930786737da8b4301abc056b514cbc9321afd7f259/XBlock-1.2.0-py3-none-any.whl#md5=d776f9726ae163e203ae06dc19c63c48 (from https://pypi.python.org/simple/xblock/), version: 1.2.0
    Found link https://pypi.python.org/packages/28/18/e9a2ab40e57395e7298ab337d6fe9b97114a3dcadfeabc84f5dbf9f63bb3/XBlock-1.2.0.tar.gz#md5=e35566321db3e39ad51956d9fe7fa93e (from https://pypi.python.org/simple/xblock/), version: 1.2.0
  Using version 1.2.0 (newest of versions: 1.2.0)
  Downloading XBlock-1.2.0-py3-none-any.whl (106kB)
  Downloading from URL https://pypi.python.org/packages/2c/34/531fc5511c4114a1f5930786737da8b4301abc056b514cbc9321afd7f259/XBlock-1.2.0-py3-none-any.whl#md5=d776f9726ae163e203ae06dc19c63c48 (from https://pypi.python.org/simple/xblock/)
  Saved /tmp/tmpza0fcfw9/XBlock-1.2.0-py3-none-any.whl
Skipping XBlock, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-0fzf2ic5/XBlock