Collecting mallard-ducktype==0.4
  1 location(s) to search for versions of mallard-ducktype:
  * https://pypi.python.org/simple/mallard-ducktype/
  Getting page https://pypi.python.org/simple/mallard-ducktype/
  Analyzing links from page https://pypi.python.org/simple/mallard-ducktype/
    Found link https://pypi.python.org/packages/0b/52/5e8415189236ec7a08396675d7a5ce31245f3c15e76e15c0cf5023e870b3/mallard-ducktype-0.1.tar.gz#md5=6335fcd23378d24cafc45c6dfbfb5906 (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.1
    Found link https://pypi.python.org/packages/52/58/6d4f046ed702fe99a40eb2e8939c5322b0196a1babf62cf50e7aa0772d4d/mallard-ducktype-0.2.tar.gz#md5=8e1b7403c3112ef80e6bd52fa77ce566 (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.2
    Found link https://pypi.python.org/packages/67/9c/59eb0273285425036e7c22f5f016cb4bebeb6970410fc6c6475bf7437e1b/mallard-ducktype-0.3.tar.gz#md5=85620bf8c6f1c2ed698128c12d539c5d (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.3
    Found link https://pypi.python.org/packages/cb/c2/2f64143b0a9b2e324b997b15210895b4d7447bacdeee1f90693c1d3c3f2f/mallard-ducktype-0.3.linux-x86_64.tar.gz#md5=aa0dc9e914c4d86af7cfdf1e2c0b6f9c (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.3.linux-x86_64
    Found link https://pypi.python.org/packages/cd/bd/bb61e6e1282cf21cea45cca8963229031cdceccaf8070adb563ff287dd00/mallard-ducktype-0.2.linux-x86_64.tar.gz#md5=69733b8b6cabc6a805a94b2f1abe70b4 (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.2.linux-x86_64
    Found link https://pypi.python.org/packages/d8/79/381c9ccc04d3eed536906d566d2de713ea68302205aab6353e35c7e03407/mallard_ducktype-0.4-py3-none-any.whl#md5=e148ce9bafffe76f5ed71a01f0d62a43 (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.4
    Found link https://pypi.python.org/packages/f1/51/0262a7817e7cfc076eb087041947ccfa7df7a03e3374a50f806ac0c6f4e1/mallard-ducktype-0.4.linux-x86_64.tar.gz#md5=44f66e71b0a1427d1f3cddf6bfd79983 (from https://pypi.python.org/simple/mallard-ducktype/), version: 0.4.linux-x86_64
  Using version 0.4 (newest of versions: 0.4)
  Downloading mallard_ducktype-0.4-py3-none-any.whl (80kB)
  Downloading from URL https://pypi.python.org/packages/d8/79/381c9ccc04d3eed536906d566d2de713ea68302205aab6353e35c7e03407/mallard_ducktype-0.4-py3-none-any.whl#md5=e148ce9bafffe76f5ed71a01f0d62a43 (from https://pypi.python.org/simple/mallard-ducktype/)
  Saved /tmp/tmpsts5f7le/mallard_ducktype-0.4-py3-none-any.whl
Skipping mallard-ducktype, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-bmm6tdqw/mallard-ducktype