old_contents: """
      pyexcel_io
      ~~~~~~~~~~~~~~~~~~~
  
      Uniform interface for reading/writing different excel file formats
  
      :copyright: (c) 2014-2016 by Onni Software Ltd.
      :license: New BSD License, see LICENSE for more details
  """
  from .io import get_data, save_data
  from .manager import RWManager
  
  
  try:
      import pyexcel_xls
      pyexcel_xls.extend_pyexcel(RWManager)
  except ImportError:
      pass
  
  
  try:
      import pyexcel_xlsx
      pyexcel_xlsx.extend_pyexcel(RWManager)
  except ImportError:
      pass
  
  
  try:
      import pyexcel_ods3
      pyexcel_ods3.extend_pyexcel(RWManager)
  except ImportError:
      pass
  
  
new_contents: """
      pyexcel_io
      ~~~~~~~~~~~~~~~~~~~
  
      Uniform interface for reading/writing different excel file formats
  
      :copyright: (c) 2014-2016 by Onni Software Ltd.
      :license: New BSD License, see LICENSE for more details
  """
  from .fileformat import csvformat
  from .fileformat import csvz
  from .fileformat import tsv
  from .fileformat import tsvz
  from .database import django
  from .database import sql
  from .io import get_data, save_data
  from .manager import RWManager
  
  
  try:
      import pyexcel_xls
  except ImportError:
      pass
  
  
  try:
      import pyexcel_xlsx
  except ImportError:
      pass
  
  
  try:
      import pyexcel_ods3
  except ImportError:
      pass
  
  
subject: enhance the interface