old_contents: # coding: utf-8
  """
  **pronto**: a Python frontend to ontologies
  ===========================================
  
  """
  
  from __future__ import absolute_import
  
  __all__ = ["Ontology", "Term", "TermList", "Relationship", "Parser"]
  __version__='0.4.2'
  __author__='Martin Larralde'
  __author_email__ = 'martin.larralde@ens-cachan.fr'
  
  from .ontology import Ontology
  from .term import Term, TermList
  from .relationship import Relationship
  from .parser import Parser
  
  
  
  
  
new_contents: # coding: utf-8
  """
  **pronto**: a Python frontend to ontologies
  ===========================================
  
  """
  
  from __future__ import absolute_import
  
  __all__ = ["Ontology", "Term", "TermList", "Relationship", "Parser"]
  __version__='0.4.2'
  __author__='Martin Larralde'
  __author_email__ = 'martin.larralde@ens-cachan.fr'
  
  try:
      from .ontology import Ontology
      from .term import Term, TermList
      from .relationship import Relationship
      from .parser import Parser
  except ImportError: # can occur when running setup.py
      pass            # with missing dependencies
  
  
  
  
  
  
subject: Add try/except blocks to pronto/__init__.py (fix #3)