old_contents: """
  A print function that pretty prints SymPy objects.
  
  :moduleauthor: Brian Granger
  
  Usage
  =====
  
  To use this extension, execute:
  
      %load_ext sympy.interactive.ipythonprinting
  
  Once the extension is loaded, SymPy Basic objects are automatically
  pretty-printed in the terminal and rendered in LaTeX in the Qt console and
  notebook.
  
  """
  #-----------------------------------------------------------------------------
  #  Copyright (C) 2008  The IPython Development Team
  #
  #  Distributed under the terms of the BSD License.  The full license is in
  #  the file COPYING, distributed as part of this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from sympy.interactive.printing import init_printing
  
  #-----------------------------------------------------------------------------
  # Definitions of special display functions for use with IPython
  #-----------------------------------------------------------------------------
  
  _loaded = False
  
  
  def load_ipython_extension(ip):
      """Load the extension in IPython."""
      import IPython
  
      global _loaded
      # Use extension manager to track loaded status if available
      # This is currently in IPython 0.14.dev
      if hasattr(ip.extension_manager, 'loaded'):
          loaded = 'sympy.interactive.ipythonprinting' in ip.extension_manager.loaded
      else:
          loaded = _loaded
  
      if not loaded:
          init_printing(ip=ip)
          _loaded = True
  
new_contents: """
  A print function that pretty prints SymPy objects.
  
  :moduleauthor: Brian Granger
  
  Usage
  =====
  
  To use this extension, execute:
  
      %load_ext sympy.interactive.ipythonprinting
  
  Once the extension is loaded, SymPy Basic objects are automatically
  pretty-printed in the terminal and rendered in LaTeX in the Qt console and
  notebook.
  
  """
  #-----------------------------------------------------------------------------
  #  Copyright (C) 2008  The IPython Development Team
  #
  #  Distributed under the terms of the BSD License.  The full license is in
  #  the file COPYING, distributed as part of this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from sympy.interactive.printing import init_printing
  
  #-----------------------------------------------------------------------------
  # Definitions of special display functions for use with IPython
  #-----------------------------------------------------------------------------
  
  def load_ipython_extension(ip):
      """Load the extension in IPython."""
      init_printing(ip=ip)
  
subject: Remove checks that module is loaded