Created temporary directory: /tmp/pip-ephem-wheel-cache-bo9wyl26
Created temporary directory: /tmp/pip-req-tracker-38k2rszy
Created requirements tracker '/tmp/pip-req-tracker-38k2rszy'
Created temporary directory: /tmp/pip-wheel-17urjsd9
Collecting iterator-chain==1.1.0
  1 location(s) to search for versions of iterator-chain:
  * https://pypi.org/simple/iterator-chain/
  Getting page https://pypi.org/simple/iterator-chain/
  Analyzing links from page https://pypi.org/simple/iterator-chain/
    Found link https://files.pythonhosted.org/packages/c7/4e/5189dca721afd9423ddb4c676712a88da10213f36d1d0b67fdc16aff4426/iterator-chain-1.0.0.tar.gz#sha256=8fbdb77769991eb344e89d859467f01c9d74562dc235da81e8dac7e26dc9076e (from https://pypi.org/simple/iterator-chain/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/51/b5/4bb83caff6b2ad713b9959abd8edee3a2519e5c7aaa2b74798385aa040a0/iterator_chain-1.0.0-py3-none-any.whl#sha256=7021896bc4fa7f5942292f1ac6528c9a7377a7673af1c0bf84483fae9f97d4c2 (from https://pypi.org/simple/iterator-chain/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/90/69/27e9fc79ec697724de680acae9738badce289078fb15b7cc0afe9bc6b055/iterator-chain-1.1.0.tar.gz#sha256=c1ca0fe2ab568c162098560ccd6a43893eec3048a1b61230ad56dfd6ac03e024 (from https://pypi.org/simple/iterator-chain/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/f2/38/f23ef3da1f6f6b4b34ca00dbdbb0545ec5a67e3c6f4612b9c3a27d81d4cb/iterator_chain-1.1.0-py3-none-any.whl#sha256=3a8c960c3b4e193138e7da24136408e52d3cdd7b2c202392feb8cd6062287ecc (from https://pypi.org/simple/iterator-chain/), version: 1.1.0
  Using version 1.1.0 (newest of versions: 1.1.0)
  Created temporary directory: /tmp/pip-unpack-a7jr4j9f
  Downloading https://files.pythonhosted.org/packages/f2/38/f23ef3da1f6f6b4b34ca00dbdbb0545ec5a67e3c6f4612b9c3a27d81d4cb/iterator_chain-1.1.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/f2/38/f23ef3da1f6f6b4b34ca00dbdbb0545ec5a67e3c6f4612b9c3a27d81d4cb/iterator_chain-1.1.0-py3-none-any.whl#sha256=3a8c960c3b4e193138e7da24136408e52d3cdd7b2c202392feb8cd6062287ecc (from https://pypi.org/simple/iterator-chain/)
  Saved /tmp/tmpp1jzbx2x/iterator_chain-1.1.0-py3-none-any.whl
  Added iterator-chain==1.1.0 from https://files.pythonhosted.org/packages/f2/38/f23ef3da1f6f6b4b34ca00dbdbb0545ec5a67e3c6f4612b9c3a27d81d4cb/iterator_chain-1.1.0-py3-none-any.whl#sha256=3a8c960c3b4e193138e7da24136408e52d3cdd7b2c202392feb8cd6062287ecc to build tracker '/tmp/pip-req-tracker-38k2rszy'
  Removed iterator-chain==1.1.0 from https://files.pythonhosted.org/packages/f2/38/f23ef3da1f6f6b4b34ca00dbdbb0545ec5a67e3c6f4612b9c3a27d81d4cb/iterator_chain-1.1.0-py3-none-any.whl#sha256=3a8c960c3b4e193138e7da24136408e52d3cdd7b2c202392feb8cd6062287ecc from build tracker '/tmp/pip-req-tracker-38k2rszy'
Skipping iterator-chain, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-17urjsd9/iterator-chain
Removed build tracker '/tmp/pip-req-tracker-38k2rszy'