Created temporary directory: /tmp/pip-ephem-wheel-cache-grcym6v9
Created temporary directory: /tmp/pip-req-tracker-wyb9ld93
Created requirements tracker '/tmp/pip-req-tracker-wyb9ld93'
Created temporary directory: /tmp/pip-wheel-uxedmmmw
Collecting pdfcombine==1.0.0
  1 location(s) to search for versions of pdfcombine:
  * https://pypi.org/simple/pdfcombine/
  Getting page https://pypi.org/simple/pdfcombine/
  Analyzing links from page https://pypi.org/simple/pdfcombine/
    Found link https://files.pythonhosted.org/packages/70/c4/c01bc9390b14bcfbe90c24edb91165d07e680813e273c3b7f1175daceac0/pdfcombine-0.4.3-py3-none-any.whl#sha256=6377a5116539e4a7a006340cea4f89d390e1ecb9666290558bf8b927d147a817 (from https://pypi.org/simple/pdfcombine/), version: 0.4.3
    Found link https://files.pythonhosted.org/packages/f9/8c/2c85788500c8df3ad2bba2561df473e3a520165d6e802e0a00d2386e1b02/pdfcombine-0.4.3.tar.gz#sha256=e63663a72ccd1dc131cebc3458fefb2c6519d5416169d378f770231527d7beda (from https://pypi.org/simple/pdfcombine/), version: 0.4.3
    Found link https://files.pythonhosted.org/packages/20/ca/f693d17d9d4f8880d934431aee5399a5873db9567fbfb06a8c2b63ad35b8/pdfcombine-1.0.0-py3-none-any.whl#sha256=3955c6d6a5716411941b7669a276cb149716b3f399be438f53605911302bb692 (from https://pypi.org/simple/pdfcombine/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/4b/97/f4decb04bb0facc504fc62a362967a329a34a41bad671fbc9d58d980e501/pdfcombine-1.0.0.tar.gz#sha256=4ec4914137049670f3096c2a3360a64c75a050a36d63a2be3a24c9326a5cf95a (from https://pypi.org/simple/pdfcombine/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Created temporary directory: /tmp/pip-unpack-w69y6dqu
  Downloading https://files.pythonhosted.org/packages/20/ca/f693d17d9d4f8880d934431aee5399a5873db9567fbfb06a8c2b63ad35b8/pdfcombine-1.0.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/20/ca/f693d17d9d4f8880d934431aee5399a5873db9567fbfb06a8c2b63ad35b8/pdfcombine-1.0.0-py3-none-any.whl#sha256=3955c6d6a5716411941b7669a276cb149716b3f399be438f53605911302bb692 (from https://pypi.org/simple/pdfcombine/)
  Saved /tmp/tmpwrqsq4dh/pdfcombine-1.0.0-py3-none-any.whl
  Added pdfcombine==1.0.0 from https://files.pythonhosted.org/packages/20/ca/f693d17d9d4f8880d934431aee5399a5873db9567fbfb06a8c2b63ad35b8/pdfcombine-1.0.0-py3-none-any.whl#sha256=3955c6d6a5716411941b7669a276cb149716b3f399be438f53605911302bb692 to build tracker '/tmp/pip-req-tracker-wyb9ld93'
  Removed pdfcombine==1.0.0 from https://files.pythonhosted.org/packages/20/ca/f693d17d9d4f8880d934431aee5399a5873db9567fbfb06a8c2b63ad35b8/pdfcombine-1.0.0-py3-none-any.whl#sha256=3955c6d6a5716411941b7669a276cb149716b3f399be438f53605911302bb692 from build tracker '/tmp/pip-req-tracker-wyb9ld93'
Skipping pdfcombine, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-uxedmmmw/pdfcombine
Removed build tracker '/tmp/pip-req-tracker-wyb9ld93'