Created temporary directory: /tmp/pip-ephem-wheel-cache-ocng124t
Created temporary directory: /tmp/pip-req-tracker-23i0ul0n
Created requirements tracker '/tmp/pip-req-tracker-23i0ul0n'
Created temporary directory: /tmp/pip-wheel-hfjnrc6z
Collecting xpi==0.0.1
  1 location(s) to search for versions of xpi:
  * https://pypi.org/simple/xpi/
  Getting page https://pypi.org/simple/xpi/
  Analyzing links from page https://pypi.org/simple/xpi/
    Found link https://files.pythonhosted.org/packages/5b/78/df26604bb017269ffe28aec908bbe87453955f0c061eabea84c7e8a5824c/xpi-0.0.1-py3-none-any.whl#sha256=747e7f8888dbc70235d77ef13b91fe0b8ddf8c1e96cd7e182bab8117bdd4494b (from https://pypi.org/simple/xpi/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/89/24/8c8072c46ca28a3516f01e64de090df4a044f5d56fc830016746d7810f61/xpi-0.0.1.tar.gz#sha256=b0a66139a567730ba3f2f6405e148c85001660b65dae82bc17847d8f63e0fc9f (from https://pypi.org/simple/xpi/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-lgksj5ci
  Downloading https://files.pythonhosted.org/packages/5b/78/df26604bb017269ffe28aec908bbe87453955f0c061eabea84c7e8a5824c/xpi-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/5b/78/df26604bb017269ffe28aec908bbe87453955f0c061eabea84c7e8a5824c/xpi-0.0.1-py3-none-any.whl#sha256=747e7f8888dbc70235d77ef13b91fe0b8ddf8c1e96cd7e182bab8117bdd4494b (from https://pypi.org/simple/xpi/)
  Saved /tmp/tmpk905kzbs/xpi-0.0.1-py3-none-any.whl
  Added xpi==0.0.1 from https://files.pythonhosted.org/packages/5b/78/df26604bb017269ffe28aec908bbe87453955f0c061eabea84c7e8a5824c/xpi-0.0.1-py3-none-any.whl#sha256=747e7f8888dbc70235d77ef13b91fe0b8ddf8c1e96cd7e182bab8117bdd4494b to build tracker '/tmp/pip-req-tracker-23i0ul0n'
  Removed xpi==0.0.1 from https://files.pythonhosted.org/packages/5b/78/df26604bb017269ffe28aec908bbe87453955f0c061eabea84c7e8a5824c/xpi-0.0.1-py3-none-any.whl#sha256=747e7f8888dbc70235d77ef13b91fe0b8ddf8c1e96cd7e182bab8117bdd4494b from build tracker '/tmp/pip-req-tracker-23i0ul0n'
Skipping xpi, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-hfjnrc6z/xpi
Removed build tracker '/tmp/pip-req-tracker-23i0ul0n'