old_contents: """
  DiPy: Analysis of MR diffusion imaging in Python
  ================================================
  
  For more information, please visit http://dipy.org
  
  Subpackages
  -----------
  ::
  
   align         -- Registration, streamline alignment, volume resampling
   boots         -- Bootstrapping algorithms
   core          -- Spheres, gradient tables
   core.geometry -- Spherical geometry, coordinate and vector manipulation
   core.meshes   -- Point distributions on the sphere
   data          -- Small testing datasets
   external      -- Interfaces to external tools such as FSL
   io            -- Loading/saving of dpy datasets
   reconst       -- Signal reconstruction modules (tensor, spherical harmonics,
                    diffusion spectrum, etc.)
   segment       -- Tractography segmentation
   sims          -- MRI phantom signal simulation
   tracking      -- Tractography, metrics for streamlines
   viz           -- Visualization and GUIs
  
  Utilities
  ---------
  ::
  
   test          -- Run unittests
   __version__   -- Dipy version
  
  """
  import sys
  if sys.version[0:3] < '2.6':
      raise ImportError('Dipy needs Python version 2.6 or above')
  if sys.version[0] == '3':
      raise ImportError('Dipy does not yet work with Python 3, feel free to '
                        'remind us about this')
  
  from .info import __version__
  
  # Test callable
  from numpy.testing import Tester
  test = Tester().test
  del Tester
  
  # Plumb in version etc info stuff
  import os
  from .pkg_info import get_pkg_info as _get_pkg_info
  get_info = lambda : _get_pkg_info(os.path.dirname(__file__))
  del os, sys
  
new_contents: """
  DiPy: Analysis of MR diffusion imaging in Python
  ================================================
  
  For more information, please visit http://dipy.org
  
  Subpackages
  -----------
  ::
  
   align         -- Registration, streamline alignment, volume resampling
   boots         -- Bootstrapping algorithms
   core          -- Spheres, gradient tables
   core.geometry -- Spherical geometry, coordinate and vector manipulation
   core.meshes   -- Point distributions on the sphere
   data          -- Small testing datasets
   external      -- Interfaces to external tools such as FSL
   io            -- Loading/saving of dpy datasets
   reconst       -- Signal reconstruction modules (tensor, spherical harmonics,
                    diffusion spectrum, etc.)
   segment       -- Tractography segmentation
   sims          -- MRI phantom signal simulation
   tracking      -- Tractography, metrics for streamlines
   viz           -- Visualization and GUIs
  
  Utilities
  ---------
  ::
  
   test          -- Run unittests
   __version__   -- Dipy version
  
  """
  import sys
  if sys.version[0:3] < '2.6':
      raise ImportError('Dipy needs Python version 2.6 or above')
  if sys.version[0] == '3':
      raise ImportError('Dipy does not yet work with Python 3, feel free to '
                        'remind us about this')
  
  from .info import __version__
  
  # Test callable
  from numpy.testing import Tester
  test = Tester().test
  bench = Tester().bench
  del Tester
  
  # Plumb in version etc info stuff
  import os
  from .pkg_info import get_pkg_info as _get_pkg_info
  get_info = lambda : _get_pkg_info(os.path.dirname(__file__))
  del os, sys
  
subject: add top-level benchmarking command