Warnings on installing python-future

I've installed future with pip3 via dependency, resulting in

Downloading/unpacking future (from pyqode.core)
  Downloading future-0.15.2.tar.gz (1.6MB): 1.6MB downloaded
  Running setup.py (path:/tmp/pip_build_root/future/setup.py) egg_info for package future

    warning: no files found matching '*.au' under directory 'tests'
    warning: no files found matching '*.gif' under directory 'tests'
    warning: no files found matching '*.txt' under directory 'tests'
Installing collected packages: pyqode.core, pyqode.qt, pygments, future
  Running setup.py install for future

    warning: no files found matching '*.au' under directory 'tests'
    warning: no files found matching '*.gif' under directory 'tests'
    warning: no files found matching '*.txt' under directory 'tests'
    Installing futurize script to /usr/local/bin
    Installing pasteurize script to /usr/local/bin

Rechecked with current Version after uninstall:

sudo pip3 install git+http://github.com/PythonCharmers/python-future.git --upgrade --pre
Downloading/unpacking git+http://github.com/PythonCharmers/python-future.git
  Cloning http://github.com/PythonCharmers/python-future.git to /tmp/pip-2qt_hw9v-build
  Running setup.py (path:/tmp/pip-2qt_hw9v-build/setup.py) egg_info for package from git+http://github.com/PythonCharmers/python-future.git

    warning: no files found matching '*.au' under directory 'tests'
    warning: no files found matching '*.gif' under directory 'tests'
    warning: no files found matching '*.txt' under directory 'tests'
Installing collected packages: future
  Running setup.py install for future

    warning: no files found matching '*.au' under directory 'tests'
    warning: no files found matching '*.gif' under directory 'tests'
    warning: no files found matching '*.txt' under directory 'tests'
    Installing futurize script to /usr/local/bin
    Installing pasteurize script to /usr/local/bin
Successfully installed future
Cleaning up...

Seems like a minor issue in setup.py