old_contents: # code support tractometric statistical analysis for dipy
  
new_contents: # code support tractometric statistical analysis for dipy
  
  import warnings
  w_string = "The `dipy.stats` module is still under heavy development "
  w_string += "and functionality, as well as the API is likely to change "
  w_string += "in future versions of the software"
  warnings.warn(w_string)
subject: Add a warning about future changes that will happen in dipy.stats.