Collecting pdfshift==1.0.0b1
  1 location(s) to search for versions of pdfshift:
  * https://pypi.python.org/simple/pdfshift/
  Getting page https://pypi.python.org/simple/pdfshift/
  Analyzing links from page https://pypi.org/simple/pdfshift/
    Found link https://files.pythonhosted.org/packages/e6/30/33c379cd329cd5d74e4722691566f32e129501c116db9672ce570cdb8050/pdfshift-1.0.0b1-py2.py3-none-any.whl#sha256=699ddb0c25eff7f59b353aec4e01dae83f6b41eb1ce0320472ce567b0b8f64ea (from https://pypi.org/simple/pdfshift/), version: 1.0.0b1
    Found link https://files.pythonhosted.org/packages/f3/65/d6ca2bc8a73ca025dd8d724676e16b95339a756aeb1f75909f1ac75207ae/pdfshift-1.0.0b1.tar.gz#sha256=f5efde9150893583f43b80639de5fc0b2bd6e2f91923ff3b3f4ef5b8d67b52fe (from https://pypi.org/simple/pdfshift/), version: 1.0.0b1
  Using version 1.0.0b1 (newest of versions: 1.0.0b1)
  Downloading https://files.pythonhosted.org/packages/e6/30/33c379cd329cd5d74e4722691566f32e129501c116db9672ce570cdb8050/pdfshift-1.0.0b1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/e6/30/33c379cd329cd5d74e4722691566f32e129501c116db9672ce570cdb8050/pdfshift-1.0.0b1-py2.py3-none-any.whl#sha256=699ddb0c25eff7f59b353aec4e01dae83f6b41eb1ce0320472ce567b0b8f64ea (from https://pypi.org/simple/pdfshift/)
  Saved /tmp/tmp0fhmtlyi/pdfshift-1.0.0b1-py2.py3-none-any.whl
Skipping pdfshift, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-_1pvxldf/pdfshift