Created temporary directory: /tmp/pip-ephem-wheel-cache-cd8e3vpt
Created temporary directory: /tmp/pip-req-tracker-blp37z8s
Created requirements tracker '/tmp/pip-req-tracker-blp37z8s'
Created temporary directory: /tmp/pip-wheel-nokear0p
Collecting altair-data-server==0.1.0
  1 location(s) to search for versions of altair-data-server:
  * https://pypi.org/simple/altair-data-server/
  Getting page https://pypi.org/simple/altair-data-server/
  Analyzing links from page https://pypi.org/simple/altair-data-server/
    Found link https://files.pythonhosted.org/packages/be/5b/4dd8c1590a1eb4131233def2952d9c75cdf5bbf7a7293c0376e4ce8b4e0b/altair_data_server-0.1.0-py2.py3-none-any.whl#sha256=16d47083a6e15a39306b35257ad80ac3ab95da659f8c6a4f59f97cf6b5da00fd (from https://pypi.org/simple/altair-data-server/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/e4/40/7fe082fc10e79a394bf5b14d0ef1a3692e771aa3791308e4a94ddaf12b91/altair_data_server-0.1.0.tar.gz#sha256=737f3b64c7c1abf5ddde5059b29c49fb96530cea894bf15b8e8984717fb653f5 (from https://pypi.org/simple/altair-data-server/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-_xzibu1u
  Downloading https://files.pythonhosted.org/packages/be/5b/4dd8c1590a1eb4131233def2952d9c75cdf5bbf7a7293c0376e4ce8b4e0b/altair_data_server-0.1.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/be/5b/4dd8c1590a1eb4131233def2952d9c75cdf5bbf7a7293c0376e4ce8b4e0b/altair_data_server-0.1.0-py2.py3-none-any.whl#sha256=16d47083a6e15a39306b35257ad80ac3ab95da659f8c6a4f59f97cf6b5da00fd (from https://pypi.org/simple/altair-data-server/)
  Saved /tmp/tmp5uwtd4z1/altair_data_server-0.1.0-py2.py3-none-any.whl
  Added altair-data-server==0.1.0 from https://files.pythonhosted.org/packages/be/5b/4dd8c1590a1eb4131233def2952d9c75cdf5bbf7a7293c0376e4ce8b4e0b/altair_data_server-0.1.0-py2.py3-none-any.whl#sha256=16d47083a6e15a39306b35257ad80ac3ab95da659f8c6a4f59f97cf6b5da00fd to build tracker '/tmp/pip-req-tracker-blp37z8s'
  Removed altair-data-server==0.1.0 from https://files.pythonhosted.org/packages/be/5b/4dd8c1590a1eb4131233def2952d9c75cdf5bbf7a7293c0376e4ce8b4e0b/altair_data_server-0.1.0-py2.py3-none-any.whl#sha256=16d47083a6e15a39306b35257ad80ac3ab95da659f8c6a4f59f97cf6b5da00fd from build tracker '/tmp/pip-req-tracker-blp37z8s'
Skipping altair-data-server, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-nokear0p/altair-data-server
Removed build tracker '/tmp/pip-req-tracker-blp37z8s'