Collecting musdb==0.2.1
  1 location(s) to search for versions of musdb:
  * https://pypi.python.org/simple/musdb/
  Getting page https://pypi.python.org/simple/musdb/
  Analyzing links from page https://pypi.python.org/simple/musdb/
    Found link https://pypi.python.org/packages/02/ff/fe96a7aac7d9a3446ddef73c8e2db6fdcdebf3b2554f4781d242e674be39/musdb-0.2.1-py2.py3-none-any.whl#md5=90cf8c9755ae61403d276eb3129a64f5 (from https://pypi.python.org/simple/musdb/), version: 0.2.1
    Found link https://pypi.python.org/packages/4f/a5/d31dc5f70be816e58daf578c58f3954819e08852338181d04499ce4208b8/musdb-0.2.1.tar.gz#md5=5a0c2606cdaa5f954d9b4e3b0e4a697b (from https://pypi.python.org/simple/musdb/), version: 0.2.1
    Found link https://pypi.python.org/packages/a1/1c/d70283dc21ca7f64ec5ae0beafe5c57d12049f830b87ceeb3a20ea18faf9/musdb-0.2.0.tar.gz#md5=ddb13f643f5fe0befcd52abd6bc5e05d (from https://pypi.python.org/simple/musdb/), version: 0.2.0
    Found link https://pypi.python.org/packages/b9/86/896b7806ea98896567d88110eee95e4c40e1a9b234d6f8f6144255ef3eff/musdb-0.2.0-py2.py3-none-any.whl#md5=d305b8253d5bc24ba8860908d55e0c37 (from https://pypi.python.org/simple/musdb/), version: 0.2.0
  Using version 0.2.1 (newest of versions: 0.2.1)
  Downloading musdb-0.2.1-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/02/ff/fe96a7aac7d9a3446ddef73c8e2db6fdcdebf3b2554f4781d242e674be39/musdb-0.2.1-py2.py3-none-any.whl#md5=90cf8c9755ae61403d276eb3129a64f5 (from https://pypi.python.org/simple/musdb/)
  Saved /tmp/tmpbvgpohki/musdb-0.2.1-py2.py3-none-any.whl
Skipping musdb, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-huoydkmk/musdb