Collecting kvfile==0.0.1
  1 location(s) to search for versions of kvfile:
  * https://pypi.python.org/simple/kvfile/
  Getting page https://pypi.python.org/simple/kvfile/
  Analyzing links from page https://pypi.org/simple/kvfile/
    Found link https://files.pythonhosted.org/packages/a0/97/109f50daaa9f77b0a1930270fdc9eb5dbcf9d32bd0b6e9821b0c1a8a0ba9/kvfile-0.0.1-py2.py3-none-any.whl#sha256=9a5570611fd0cfa472062461965c978ba5e792cbe07137e7d5a77478235ce971 (from https://pypi.org/simple/kvfile/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/15/55/677572cfc12e016738deb0a41bfd06f775ce195898888a37a7a52dbe67dd/kvfile-0.0.1.tar.gz#sha256=1ac3191baaab1a78dd5041b5aeadbd99b130b29ddd46a825cbde0b3d47e4b8c3 (from https://pypi.org/simple/kvfile/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Downloading https://files.pythonhosted.org/packages/a0/97/109f50daaa9f77b0a1930270fdc9eb5dbcf9d32bd0b6e9821b0c1a8a0ba9/kvfile-0.0.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/a0/97/109f50daaa9f77b0a1930270fdc9eb5dbcf9d32bd0b6e9821b0c1a8a0ba9/kvfile-0.0.1-py2.py3-none-any.whl#sha256=9a5570611fd0cfa472062461965c978ba5e792cbe07137e7d5a77478235ce971 (from https://pypi.org/simple/kvfile/)
  Saved /tmp/tmp9lfzyoz5/kvfile-0.0.1-py2.py3-none-any.whl
Skipping kvfile, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-nasjvsit/kvfile