Created temporary directory: /tmp/pip-ephem-wheel-cache-ztj5yq4c
Created temporary directory: /tmp/pip-req-tracker-71_bnwbd
Created requirements tracker '/tmp/pip-req-tracker-71_bnwbd'
Created temporary directory: /tmp/pip-wheel-551illcx
Collecting iter2==1.0rc1
  1 location(s) to search for versions of iter2:
  * https://pypi.org/simple/iter2/
  Getting page https://pypi.org/simple/iter2/
  Analyzing links from page https://pypi.org/simple/iter2/
    Found link https://files.pythonhosted.org/packages/b1/c3/9da2a5483dac23b616aad2bfdabf19dbb975a801c4b46aacc4e5c3bc7ba4/iter2-1.0rc0-py3-none-any.whl#sha256=37ee808ecdedc21f5e4add9697e1467ce741a874d73d5b9a6aac015bdd8c3b65 (from https://pypi.org/simple/iter2/), version: 1.0rc0
    Found link https://files.pythonhosted.org/packages/50/5f/0130a459398cf0196772c221b0f3d6bb23d982de2be140b75a2f5faba16c/iter2-1.0rc0.tar.gz#sha256=006f0fecefd6d14dd06d0ba604bfd2c02045912dcbbe1ed59173095a3b8412db (from https://pypi.org/simple/iter2/), version: 1.0rc0
    Found link https://files.pythonhosted.org/packages/99/ae/6607f6a4b16ceb8e539c5a9afad589859e67d3cb341781c0840bcf219704/iter2-1.0rc1-py3-none-any.whl#sha256=22b6180f60de079842c57de015a696415af8eae75af061bde5c56f6d43f35aca (from https://pypi.org/simple/iter2/), version: 1.0rc1
    Found link https://files.pythonhosted.org/packages/e5/30/e93e5d98fbad327f8ce70caf324d6422320aeadbe0000d1251d21f1bc2bf/iter2-1.0rc1.tar.gz#sha256=5a97e1f609874a3765bfabe451ea760bd340b699d4d837bcc9556f3ea345020e (from https://pypi.org/simple/iter2/), version: 1.0rc1
  Using version 1.0rc1 (newest of versions: 1.0rc1)
  Created temporary directory: /tmp/pip-unpack-zigoj1wx
  Downloading https://files.pythonhosted.org/packages/99/ae/6607f6a4b16ceb8e539c5a9afad589859e67d3cb341781c0840bcf219704/iter2-1.0rc1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/99/ae/6607f6a4b16ceb8e539c5a9afad589859e67d3cb341781c0840bcf219704/iter2-1.0rc1-py3-none-any.whl#sha256=22b6180f60de079842c57de015a696415af8eae75af061bde5c56f6d43f35aca (from https://pypi.org/simple/iter2/)
  Saved /tmp/tmp50clg_17/iter2-1.0rc1-py3-none-any.whl
  Added iter2==1.0rc1 from https://files.pythonhosted.org/packages/99/ae/6607f6a4b16ceb8e539c5a9afad589859e67d3cb341781c0840bcf219704/iter2-1.0rc1-py3-none-any.whl#sha256=22b6180f60de079842c57de015a696415af8eae75af061bde5c56f6d43f35aca to build tracker '/tmp/pip-req-tracker-71_bnwbd'
  Removed iter2==1.0rc1 from https://files.pythonhosted.org/packages/99/ae/6607f6a4b16ceb8e539c5a9afad589859e67d3cb341781c0840bcf219704/iter2-1.0rc1-py3-none-any.whl#sha256=22b6180f60de079842c57de015a696415af8eae75af061bde5c56f6d43f35aca from build tracker '/tmp/pip-req-tracker-71_bnwbd'
Skipping iter2, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-551illcx/iter2
Removed build tracker '/tmp/pip-req-tracker-71_bnwbd'