Docstrings and whitespace.

Author: Feras A. Saad

src/backend.py

@@ -287,11 +287,11 @@ def logpdf_joint(self, bdb, generator_id, modelnos, rowid, targets,
  raise NotImplementedError
 
  def json_ready_models(self, bdb, population_id, generator_id):
- """ Return a python data object capturing model information,
- that's ready to be written in JSON syntax.
+ """Return a data object capturing model information
+ that is ready to be written in JSON syntax.
 
  The intent is that this information, combined with the data
- table (not itself dumped here), should be sufficient to simulate 
+ table (not itself dumped here), should be sufficient to simulate
  any of the models.
  """
  raise NotImplementedError