Collecting async_logstash==0.0.1a0
  1 location(s) to search for versions of async-logstash:
  * https://pypi.python.org/simple/async-logstash/
  Getting page https://pypi.python.org/simple/async-logstash/
  Analyzing links from page https://pypi.python.org/simple/async-logstash/
    Found link https://pypi.python.org/packages/03/e0/6559add405bafc062563c3711e2d87264a8dfdc6effbb6e1a0ae0c151c8f/async_logstash-0.0.1a0-py3-none-any.whl#md5=ca159bd0d8dd76c2b235da7da8a74d84 (from https://pypi.python.org/simple/async-logstash/) (requires-python:>=3.5), version: 0.0.1a0
    Found link https://pypi.python.org/packages/73/57/acb3126281f455f919439d0ef234a7d48244a3e4f43a91ffd4230b90b190/async_logstash-0.0.1a0.tar.gz#md5=80b56b722f3ca8d4bff81b74d05c6b51 (from https://pypi.python.org/simple/async-logstash/) (requires-python:>=3.5), version: 0.0.1a0
  Using version 0.0.1a0 (newest of versions: 0.0.1a0)
  Downloading async_logstash-0.0.1a0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/03/e0/6559add405bafc062563c3711e2d87264a8dfdc6effbb6e1a0ae0c151c8f/async_logstash-0.0.1a0-py3-none-any.whl#md5=ca159bd0d8dd76c2b235da7da8a74d84 (from https://pypi.python.org/simple/async-logstash/) (requires-python:>=3.5)
  Saved /tmp/tmpvom8ilbn/async_logstash-0.0.1a0-py3-none-any.whl
Skipping async-logstash, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-oo21xdls/async-logstash