Created temporary directory: /tmp/pip-ephem-wheel-cache-z0iul6ej
Created temporary directory: /tmp/pip-req-tracker-jisdsbmp
Created requirements tracker '/tmp/pip-req-tracker-jisdsbmp'
Created temporary directory: /tmp/pip-wheel-45qqvsze
Collecting nelson-siegel-svensson==0.1.0
  1 location(s) to search for versions of nelson-siegel-svensson:
  * https://pypi.org/simple/nelson-siegel-svensson/
  Getting page https://pypi.org/simple/nelson-siegel-svensson/
  Analyzing links from page https://pypi.org/simple/nelson-siegel-svensson/
    Found link https://files.pythonhosted.org/packages/97/be/81402968d3ded57370667a4702a7f0a2fe11de10db3785338944ea929f67/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl#sha256=bade30353cd95d79b23ef74d5e7097898db00c7d79d191212252b88c36c59a5a (from https://pypi.org/simple/nelson-siegel-svensson/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/82/5a/7bd0f94458dc40aacc56f828c7a3463f954cc98c8559d690b13003865e7b/nelson_siegel_svensson-0.1.0.tar.gz#sha256=ecd16abd4c6fdab1f25935eda5ea74ee427a12095b617ea8265a3f33cee71327 (from https://pypi.org/simple/nelson-siegel-svensson/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-vdb2qktd
  Downloading https://files.pythonhosted.org/packages/97/be/81402968d3ded57370667a4702a7f0a2fe11de10db3785338944ea929f67/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/97/be/81402968d3ded57370667a4702a7f0a2fe11de10db3785338944ea929f67/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl#sha256=bade30353cd95d79b23ef74d5e7097898db00c7d79d191212252b88c36c59a5a (from https://pypi.org/simple/nelson-siegel-svensson/)
  Saved /tmp/tmpwag8ng7s/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl
  Added nelson-siegel-svensson==0.1.0 from https://files.pythonhosted.org/packages/97/be/81402968d3ded57370667a4702a7f0a2fe11de10db3785338944ea929f67/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl#sha256=bade30353cd95d79b23ef74d5e7097898db00c7d79d191212252b88c36c59a5a to build tracker '/tmp/pip-req-tracker-jisdsbmp'
  Removed nelson-siegel-svensson==0.1.0 from https://files.pythonhosted.org/packages/97/be/81402968d3ded57370667a4702a7f0a2fe11de10db3785338944ea929f67/nelson_siegel_svensson-0.1.0-py2.py3-none-any.whl#sha256=bade30353cd95d79b23ef74d5e7097898db00c7d79d191212252b88c36c59a5a from build tracker '/tmp/pip-req-tracker-jisdsbmp'
Skipping nelson-siegel-svensson, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-45qqvsze/nelson-siegel-svensson
Removed build tracker '/tmp/pip-req-tracker-jisdsbmp'