Collecting background==0.1.1
  1 location(s) to search for versions of background:
  * https://pypi.python.org/simple/background/
  Getting page https://pypi.python.org/simple/background/
  Analyzing links from page https://pypi.python.org/simple/background/
    Found link https://pypi.python.org/packages/39/4c/f2602b10b469a95caf2b601ab0bb5671adb77bfe21364816205e29f43d47/background-0.1.0.tar.gz#md5=a42c4edc5a83a0471919d655e3ee133a (from https://pypi.python.org/simple/background/), version: 0.1.0
    Found link https://pypi.python.org/packages/70/aa/3f05d4b9af2ffceff988d54e68217d511ef629d61aac99094d526054c416/background-0.1.1.tar.gz#md5=a95ea2464137f49d134e70444ba496ad (from https://pypi.python.org/simple/background/), version: 0.1.1
    Found link https://pypi.python.org/packages/86/be/9de7386afe732d0e9a3972741b712a100bb706bc2fc7e0526f558739da93/background-0.1.0-py2.py3-none-any.whl#md5=c200d77f83b51637ee7bafaf9b6bad7c (from https://pypi.python.org/simple/background/), version: 0.1.0
    Found link https://pypi.python.org/packages/d5/91/5bdb02c03859e835d2eacfa5b3f1d39a5d24cad2f3b30525e212ae3618b9/background-0.1.1-py2.py3-none-any.whl#md5=0bcb8095a8a8ab12c5e32b0676a6aa0a (from https://pypi.python.org/simple/background/), version: 0.1.1
  Using version 0.1.1 (newest of versions: 0.1.1)
  Downloading background-0.1.1-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/d5/91/5bdb02c03859e835d2eacfa5b3f1d39a5d24cad2f3b30525e212ae3618b9/background-0.1.1-py2.py3-none-any.whl#md5=0bcb8095a8a8ab12c5e32b0676a6aa0a (from https://pypi.python.org/simple/background/)
  Saved /tmp/tmpoen8ok8b/background-0.1.1-py2.py3-none-any.whl
Skipping background, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-l843sfno/background