old_contents: """Tests that the IPython printing module is properly loaded. """
  
  from sympy.interactive.session import init_ipython_session
  from sympy.external import import_module
  
  # run_cell was added in IPython 0.11
  ipython = import_module("IPython", min_module_version="0.11")
  
  # disable tests if ipython is not present
  if not ipython:
      disabled = True
  
  def test_ipythonprinting():
      # Initialize and setup IPython session
      app = init_ipython_session()
      app.run_cell("ip = get_ipython()")
      app.run_cell("inst = ip.instance()")
      app.run_cell("format = inst.display_formatter.format")
      app.run_cell("from sympy import Symbol")
  
      # Printing without printing extension
      app.run_cell("a = format(Symbol('pi'))")
      app.run_cell("a2 = format(Symbol('pi')**2)")
      # Deal with API change starting at IPython 1.0
      if int(ipython.__version__.split(".")[0]) < 1:
          assert app.user_ns['a']['text/plain'] == "pi"
          assert app.user_ns['a2']['text/plain'] == "pi**2"
      else:
          assert app.user_ns['a'][0]['text/plain'] == "pi"
          assert app.user_ns['a2'][0]['text/plain'] == "pi**2"
  
      # Load printing extension
      app.run_cell("%load_ext sympy.interactive.ipythonprinting")
      # Printing with printing extension
      app.run_cell("a = format(Symbol('pi'))")
      app.run_cell("a2 = format(Symbol('pi')**2)")
      # Deal with API change starting at IPython 1.0
      if int(ipython.__version__.split(".")[0]) < 1:
          assert app.user_ns['a']['text/plain'] in (u'\u03c0', 'pi')
          assert app.user_ns['a2']['text/plain'] in (u' 2\n\u03c0 ', '  2\npi ')
      else:
          assert app.user_ns['a'][0]['text/plain'] in (u'\u03c0', 'pi')
          assert app.user_ns['a2'][0]['text/plain'] in (u' 2\n\u03c0 ', '  2\npi ')
  
new_contents: """Tests that the IPython printing module is properly loaded. """
  
  from sympy.interactive.session import init_ipython_session
  from sympy.external import import_module
  
  # run_cell was added in IPython 0.11
  ipython = import_module("IPython", min_module_version="0.11")
  
  # disable tests if ipython is not present
  if not ipython:
      disabled = True
  
  def test_ipythonprinting():
      # Initialize and setup IPython session
      app = init_ipython_session()
      app.run_cell("ip = get_ipython()")
      app.run_cell("inst = ip.instance()")
      app.run_cell("format = inst.display_formatter.format")
      app.run_cell("from sympy import Symbol")
  
      # Printing without printing extension
      app.run_cell("a = format(Symbol('pi'))")
      app.run_cell("a2 = format(Symbol('pi')**2)")
      # Deal with API change starting at IPython 1.0
      if int(ipython.__version__.split(".")[0]) < 1:
          assert app.user_ns['a']['text/plain'] == "pi"
          assert app.user_ns['a2']['text/plain'] == "pi**2"
      else:
          assert app.user_ns['a'][0]['text/plain'] == "pi"
          assert app.user_ns['a2'][0]['text/plain'] == "pi**2"
  
      # Load printing extension
      app.run_cell("from sympy import init_printing")
      app.run_cell("init_printing()")
      # Printing with printing extension
      app.run_cell("a = format(Symbol('pi'))")
      app.run_cell("a2 = format(Symbol('pi')**2)")
      # Deal with API change starting at IPython 1.0
      if int(ipython.__version__.split(".")[0]) < 1:
          assert app.user_ns['a']['text/plain'] in (u'\u03c0', 'pi')
          assert app.user_ns['a2']['text/plain'] in (u' 2\n\u03c0 ', '  2\npi ')
      else:
          assert app.user_ns['a'][0]['text/plain'] in (u'\u03c0', 'pi')
          assert app.user_ns['a2'][0]['text/plain'] in (u' 2\n\u03c0 ', '  2\npi ')
  
subject: Change the ipython printing test to use init_printing().