Collecting muselsl==1.0.0
  1 location(s) to search for versions of muselsl:
  * https://pypi.python.org/simple/muselsl/
  Getting page https://pypi.python.org/simple/muselsl/
  Analyzing links from page https://pypi.org/simple/muselsl/
    Found link https://files.pythonhosted.org/packages/fb/ca/3488eb3a7da2b13f23933a76262682bf94f721f88809b8593676008bfb37/muselsl-1.0.0-py2.py3-none-any.whl#sha256=7e16971b4ef2d562f5fb2d5024297dee85c59e4880662271c8368e2618bc7d1f (from https://pypi.org/simple/muselsl/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/15/d8/c8cd9124490a5d919e68e167b3555eb948ed4d974e05a612bef34bc2e796/muselsl-1.0.0.tar.gz#sha256=21cd8f1605d8efa1d87949441d1bd4ef75ea4ea3b70035732e246f3059febd10 (from https://pypi.org/simple/muselsl/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Downloading https://files.pythonhosted.org/packages/fb/ca/3488eb3a7da2b13f23933a76262682bf94f721f88809b8593676008bfb37/muselsl-1.0.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/fb/ca/3488eb3a7da2b13f23933a76262682bf94f721f88809b8593676008bfb37/muselsl-1.0.0-py2.py3-none-any.whl#sha256=7e16971b4ef2d562f5fb2d5024297dee85c59e4880662271c8368e2618bc7d1f (from https://pypi.org/simple/muselsl/)
  Saved /tmp/tmpnaqlu0hi/muselsl-1.0.0-py2.py3-none-any.whl
Skipping muselsl, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-k64g0h1v/muselsl