old_contents: import tables
  import tables as tb
  try:
      import fipy
      import fipy as fp
  except:
      pass
  import numpy
  import numpy as np
  import scipy
  import scipy as spy
  import matplotlib.pylot as plt
  
  
  def gitCommand(cmd, verbose=False):    
      from subprocess import Popen, PIPE
      p = Popen(['git'] + cmd, shell=False, stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True)
      p.wait()
      out = p.stdout.read()
      if verbose:
          print out
          print p.stderr.read()
      return out
  
  def gitCurrentCommit():
      return gitCommand(['log', '--oneline', '-1', '--abbrev=12', '--format="%h"']).strip().strip('"')
  
  
  class _Prompt(object):
      def __str__(self):
          import datetime
          sha = gitCommand(['log', '--oneline', '-1', '--abbrev=12', '--format="%h"']).strip().strip('"')
          if len(sha) > 0:
              sha = ' ' + sha
          return  '[' + datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") + sha + ']'
      
      
  class _PromptIn(_Prompt):
      def __str__(self):
          return super(_PromptIn, self).__str__() + ' >>> '
  
      
  class _PromptOut(_Prompt):
      def __str__(self):
          return super(_PromptOut, self).__str__() + ' <<< '
  
  
  _promptIn = _PromptIn()
  _promptOut = _PromptOut()
  
new_contents: import tables
  import tables as tb
  try:
      import fipy
      import fipy as fp
  except:
      pass
  import numpy
  import numpy as np
  import scipy
  import scipy as spy
  import matplotlib.pyplot as plt
  
  
  def gitCommand(cmd, verbose=False):    
      from subprocess import Popen, PIPE
      p = Popen(['git'] + cmd, shell=False, stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=True)
      p.wait()
      out = p.stdout.read()
      if verbose:
          print out
          print p.stderr.read()
      return out
  
  def gitCurrentCommit():
      return gitCommand(['log', '--oneline', '-1', '--abbrev=12', '--format="%h"']).strip().strip('"')
  
  
  class _Prompt(object):
      def __str__(self):
          import datetime
          sha = gitCommand(['log', '--oneline', '-1', '--abbrev=12', '--format="%h"']).strip().strip('"')
          if len(sha) > 0:
              sha = ' ' + sha
          return  '[' + datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") + sha + ']'
      
      
  class _PromptIn(_Prompt):
      def __str__(self):
          return super(_PromptIn, self).__str__() + ' >>> '
  
      
  class _PromptOut(_Prompt):
      def __str__(self):
          return super(_PromptOut, self).__str__() + ' <<< '
  
  
  _promptIn = _PromptIn()
  _promptOut = _PromptOut()
  
subject: Fix typo in matplotlib setup.