Created temporary directory: /tmp/pip-ephem-wheel-cache-fw2o9996
Created temporary directory: /tmp/pip-req-tracker-imxpdyd_
Created requirements tracker '/tmp/pip-req-tracker-imxpdyd_'
Created temporary directory: /tmp/pip-wheel-6ylev59s
Looking in indexes: https://pypi.python.org/simple
Collecting ssz==0.1.0a0
  1 location(s) to search for versions of ssz:
  * https://pypi.python.org/simple/ssz/
  Getting page https://pypi.python.org/simple/ssz/
  Analyzing links from page https://pypi.org/simple/ssz/
    Found link https://files.pythonhosted.org/packages/86/9a/998e433a9ece5477da73307871a38d89d5eaeecdd6e6a192fe851d6f017a/ssz-0.1.0a0-py3-none-any.whl#sha256=2606a90c16cc82dfd2d14d72ff2826023cedb3bcbcdd0e2d35d62ab0344a9f35 (from https://pypi.org/simple/ssz/) (requires-python:>=3.5, <4), version: 0.1.0a0
    Found link https://files.pythonhosted.org/packages/62/c6/9ea4c51a2bb258a05d663d49d5ee7fe311e01dd3d217389e09a005ece9a6/ssz-0.1.0a0.tar.gz#sha256=4208526074341775fb7a830b9b4bc6f5963e6b6c34a8f7563c1ab3e125a9edfa (from https://pypi.org/simple/ssz/) (requires-python:>=3.5, <4), version: 0.1.0a0
  Using version 0.1.0a0 (newest of versions: 0.1.0a0)
  Created temporary directory: /tmp/pip-unpack-3r53w16_
  Downloading https://files.pythonhosted.org/packages/86/9a/998e433a9ece5477da73307871a38d89d5eaeecdd6e6a192fe851d6f017a/ssz-0.1.0a0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/86/9a/998e433a9ece5477da73307871a38d89d5eaeecdd6e6a192fe851d6f017a/ssz-0.1.0a0-py3-none-any.whl#sha256=2606a90c16cc82dfd2d14d72ff2826023cedb3bcbcdd0e2d35d62ab0344a9f35 (from https://pypi.org/simple/ssz/) (requires-python:>=3.5, <4)
  Saved /tmp/tmpxujoj35q/ssz-0.1.0a0-py3-none-any.whl
  Added ssz==0.1.0a0 from https://files.pythonhosted.org/packages/86/9a/998e433a9ece5477da73307871a38d89d5eaeecdd6e6a192fe851d6f017a/ssz-0.1.0a0-py3-none-any.whl#sha256=2606a90c16cc82dfd2d14d72ff2826023cedb3bcbcdd0e2d35d62ab0344a9f35 to build tracker '/tmp/pip-req-tracker-imxpdyd_'
  Removed ssz==0.1.0a0 from https://files.pythonhosted.org/packages/86/9a/998e433a9ece5477da73307871a38d89d5eaeecdd6e6a192fe851d6f017a/ssz-0.1.0a0-py3-none-any.whl#sha256=2606a90c16cc82dfd2d14d72ff2826023cedb3bcbcdd0e2d35d62ab0344a9f35 from build tracker '/tmp/pip-req-tracker-imxpdyd_'
Skipping ssz, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-6ylev59s/ssz
Removed build tracker '/tmp/pip-req-tracker-imxpdyd_'