Created temporary directory: /tmp/pip-ephem-wheel-cache-hsak3bts
Created temporary directory: /tmp/pip-req-tracker-ermnivcg
Created requirements tracker '/tmp/pip-req-tracker-ermnivcg'
Created temporary directory: /tmp/pip-wheel-p0bg7jct
Collecting ddsp==0.0.0
  1 location(s) to search for versions of ddsp:
  * https://pypi.org/simple/ddsp/
  Getting page https://pypi.org/simple/ddsp/
  Analyzing links from page https://pypi.org/simple/ddsp/
    Found link https://files.pythonhosted.org/packages/62/60/b52d35c85869d87a41c3b8582585fd9fd55cfc9fea083c3ac369fd7f4a34/ddsp-0.0.0-py2.py3-none-any.whl#sha256=0fd730e3e630cb5af49c6917c856562523281b51356572ce3d33df91dc0c205c (from https://pypi.org/simple/ddsp/), version: 0.0.0
    Found link https://files.pythonhosted.org/packages/46/db/50d7326a6dad00ed7eef02471fb672f6c645fd4bb63f22a3d15c0be190b3/ddsp-0.0.0.tar.gz#sha256=7f217fde8f506ad0ae57a8ee27d68954d5daae7f26214c6566762ccbd12b6fd2 (from https://pypi.org/simple/ddsp/), version: 0.0.0
  Using version 0.0.0 (newest of versions: 0.0.0)
  Created temporary directory: /tmp/pip-unpack-13oiwy97
  Downloading https://files.pythonhosted.org/packages/62/60/b52d35c85869d87a41c3b8582585fd9fd55cfc9fea083c3ac369fd7f4a34/ddsp-0.0.0-py2.py3-none-any.whl (75kB)
  Downloading from URL https://files.pythonhosted.org/packages/62/60/b52d35c85869d87a41c3b8582585fd9fd55cfc9fea083c3ac369fd7f4a34/ddsp-0.0.0-py2.py3-none-any.whl#sha256=0fd730e3e630cb5af49c6917c856562523281b51356572ce3d33df91dc0c205c (from https://pypi.org/simple/ddsp/)
  Saved /tmp/tmp6av012ni/ddsp-0.0.0-py2.py3-none-any.whl
  Added ddsp==0.0.0 from https://files.pythonhosted.org/packages/62/60/b52d35c85869d87a41c3b8582585fd9fd55cfc9fea083c3ac369fd7f4a34/ddsp-0.0.0-py2.py3-none-any.whl#sha256=0fd730e3e630cb5af49c6917c856562523281b51356572ce3d33df91dc0c205c to build tracker '/tmp/pip-req-tracker-ermnivcg'
  Removed ddsp==0.0.0 from https://files.pythonhosted.org/packages/62/60/b52d35c85869d87a41c3b8582585fd9fd55cfc9fea083c3ac369fd7f4a34/ddsp-0.0.0-py2.py3-none-any.whl#sha256=0fd730e3e630cb5af49c6917c856562523281b51356572ce3d33df91dc0c205c from build tracker '/tmp/pip-req-tracker-ermnivcg'
Skipping ddsp, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-p0bg7jct/ddsp
Removed build tracker '/tmp/pip-req-tracker-ermnivcg'