Created temporary directory: /tmp/pip-ephem-wheel-cache-1w5rvrpa
Created temporary directory: /tmp/pip-req-tracker-gwna363s
Created requirements tracker '/tmp/pip-req-tracker-gwna363s'
Created temporary directory: /tmp/pip-wheel-byvjyfj6
Collecting polling==0.3.1
  1 location(s) to search for versions of polling:
  * https://pypi.org/simple/polling/
  Getting page https://pypi.org/simple/polling/
  Analyzing links from page https://pypi.org/simple/polling/
    Found link https://files.pythonhosted.org/packages/0f/79/b687d75cb6e9aae5c70e2fa251776f067a34e2bb81abd7f7c7517d6e1de5/polling-0.1.0.tar.gz#sha256=6335eab270dfc1abd7f00434ebbd2e3cac1801f2fbcd594e8477f36b3051e776 (from https://pypi.org/simple/polling/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/ef/10/5207cd5bd1c80a6f2959b56ede06806165a122766e1765f6c83db3ef1dad/polling-0.2.0.tar.gz#sha256=972414e7aaf0df16b9eadb41205e32d479c674e3bb9b57ab561ceb5a0c594c51 (from https://pypi.org/simple/polling/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/bf/da/c61da72dddeb52a8b4011c3d7fdbbee2b83e935ecd136f4b78c877defe70/polling-0.3.0-py3-none-any.whl#sha256=c4896be05109fa0dead600e281d312446d01463962c1072d43b631f3ffd066c2 (from https://pypi.org/simple/polling/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/a1/42/d11fca25b8ee038233bfabdd3dc89c92ce69f551fd9605093570bdfa7f89/polling-0.3.0.tar.gz#sha256=c0f1f804843fe78e09f6fc6de6fb8b11f73be0acce9cde262b18e4a7ad4005a6 (from https://pypi.org/simple/polling/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/4f/f0/1737806bf9f7545ef2bc9a0e1c48f1854fe82c61a188f063b288daf4cc46/polling-0.3.1-py3-none-any.whl#sha256=6b187150ae9d240cfde3af4ae9e90219db9cdd19bf92229c59607ce8e9a072aa (from https://pypi.org/simple/polling/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/cc/64/97d58ed0848320f3ce94f7de8d1ef59d8b1d4d35a042d1430c4cec737598/polling-0.3.1.tar.gz#sha256=fafdd9aeeb2d24f02cbd575ff1d99c822cb629e975b183eda6927d696c3abcf7 (from https://pypi.org/simple/polling/), version: 0.3.1
  Using version 0.3.1 (newest of versions: 0.3.1)
  Created temporary directory: /tmp/pip-unpack-wlog817t
  Downloading https://files.pythonhosted.org/packages/4f/f0/1737806bf9f7545ef2bc9a0e1c48f1854fe82c61a188f063b288daf4cc46/polling-0.3.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/4f/f0/1737806bf9f7545ef2bc9a0e1c48f1854fe82c61a188f063b288daf4cc46/polling-0.3.1-py3-none-any.whl#sha256=6b187150ae9d240cfde3af4ae9e90219db9cdd19bf92229c59607ce8e9a072aa (from https://pypi.org/simple/polling/)
  Saved /tmp/tmpp1n6xfs7/polling-0.3.1-py3-none-any.whl
  Added polling==0.3.1 from https://files.pythonhosted.org/packages/4f/f0/1737806bf9f7545ef2bc9a0e1c48f1854fe82c61a188f063b288daf4cc46/polling-0.3.1-py3-none-any.whl#sha256=6b187150ae9d240cfde3af4ae9e90219db9cdd19bf92229c59607ce8e9a072aa to build tracker '/tmp/pip-req-tracker-gwna363s'
  Removed polling==0.3.1 from https://files.pythonhosted.org/packages/4f/f0/1737806bf9f7545ef2bc9a0e1c48f1854fe82c61a188f063b288daf4cc46/polling-0.3.1-py3-none-any.whl#sha256=6b187150ae9d240cfde3af4ae9e90219db9cdd19bf92229c59607ce8e9a072aa from build tracker '/tmp/pip-req-tracker-gwna363s'
Skipping polling, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-byvjyfj6/polling
Removed build tracker '/tmp/pip-req-tracker-gwna363s'