old_contents: """
  SymPy is a Python library for symbolic mathematics. It aims to become a
  full-featured computer algebra system (CAS) while keeping the code as
  simple as possible in order to be comprehensible and easily extensible.
  SymPy is written entirely in Python and does not require any external
  libraries, except optionally for plotting support.
  
  See the webpage for more information and documentation:
  
      http://code.google.com/p/sympy/"""
  
  from __future__ import absolute_import, print_function
  
  __version__ = "0.7.4.1-git"
  
  import sys
  if sys.version_info[0] == 2 and sys.version_info[1] < 6:
      raise ImportError("Python Version 2.6 or above is required for SymPy.")
  else:  # Python 3
      pass
      # Here we can also check for specific Python 3 versions, if needed
  
  del sys
  
  
  def __sympy_debug():
      # helper function so we don't import os globally
      import os
      return eval(os.getenv('SYMPY_DEBUG', 'False'))
  SYMPY_DEBUG = __sympy_debug()
  
  from .core import *
  from .logic import *
  from .assumptions import *
  from .polys import *
  from .series import *
  from .functions import *
  from .ntheory import *
  from .concrete import *
  from .simplify import *
  from .sets import *
  from .solvers import *
  from .matrices import *
  from .geometry import *
  from .utilities import *
  from .integrals import *
  from .tensor import *
  from .parsing import *
  from .calculus import *
  # Adds about .04-.05 seconds of import time
  # from combinatorics import *
  # This module is slow to import:
  #from physics import units
  from .plotting import plot, Plot, textplot, plot_backends, plot_implicit
  from .printing import pretty, pretty_print, pprint, pprint_use_unicode, \
      pprint_try_use_unicode, print_gtk, print_tree, pager_print, TableForm
  from .printing import ccode, fcode, jscode, latex, preview
  from .printing import python, print_python, srepr, sstr, sstrrepr
  from .interactive import init_session, init_printing
  
  evalf._create_evalf_table()
  
  # This is slow to import:
  #import abc
  
new_contents: """
  SymPy is a Python library for symbolic mathematics. It aims to become a
  full-featured computer algebra system (CAS) while keeping the code as
  simple as possible in order to be comprehensible and easily extensible.
  SymPy is written entirely in Python and does not require any external
  libraries, except optionally for plotting support.
  
  See the webpage for more information and documentation:
  
      http://code.google.com/p/sympy/"""
  
  from __future__ import absolute_import, print_function
  
  __version__ = "0.7.5.rc1"
  
  import sys
  if sys.version_info[0] == 2 and sys.version_info[1] < 6:
      raise ImportError("Python Version 2.6 or above is required for SymPy.")
  else:  # Python 3
      pass
      # Here we can also check for specific Python 3 versions, if needed
  
  del sys
  
  
  def __sympy_debug():
      # helper function so we don't import os globally
      import os
      return eval(os.getenv('SYMPY_DEBUG', 'False'))
  SYMPY_DEBUG = __sympy_debug()
  
  from .core import *
  from .logic import *
  from .assumptions import *
  from .polys import *
  from .series import *
  from .functions import *
  from .ntheory import *
  from .concrete import *
  from .simplify import *
  from .sets import *
  from .solvers import *
  from .matrices import *
  from .geometry import *
  from .utilities import *
  from .integrals import *
  from .tensor import *
  from .parsing import *
  from .calculus import *
  # Adds about .04-.05 seconds of import time
  # from combinatorics import *
  # This module is slow to import:
  #from physics import units
  from .plotting import plot, Plot, textplot, plot_backends, plot_implicit
  from .printing import pretty, pretty_print, pprint, pprint_use_unicode, \
      pprint_try_use_unicode, print_gtk, print_tree, pager_print, TableForm
  from .printing import ccode, fcode, jscode, latex, preview
  from .printing import python, print_python, srepr, sstr, sstrrepr
  from .interactive import init_session, init_printing
  
  evalf._create_evalf_table()
  
  # This is slow to import:
  #import abc
  
subject: Change version to 0.7.5.rc1