text: #!/usr/bin/env python
  import sys
  
  print("\nINSTALLED VERSIONS")
  print("------------------")
  print("Python: %d.%d.%d.%s.%s" % sys.version_info[:])
  try:
      import os
      (sysname, nodename, release, version, machine) = os.uname()
      print("OS: %s %s %s %s" % (sysname, release, version,machine))
      print("LC_ALL: %s" % os.environ.get('LC_ALL',"None"))
      print("LANG: %s" % os.environ.get('LANG',"None"))
  except:
      pass
  
  print("")
  try:
      import Cython
      print("Cython: %s" % Cython.__version__)
  except:
      print("Cython: Not installed")
  
  try:
      import numpy
      print("Numpy: %s" % numpy.version.version)
  except:
      print("Numpy: Not installed")
  
  try:
      import scipy
      print("Scipy: %s" % scipy.version.version)
  except:
      print("Scipy: Not installed")
  
  try:
      import statsmodels
      print("statsmodels: %s" % statsmodels.__version__)
  except:
      print("statsmodels: Not installed")
  try:
      import patsy
      print("    patsy: %s" % patsy.__version__)
  except:
      print("    patsy: Not installed")
  
  try:
      import scikits.timeseries as ts
      print("scikits.timeseries: %s" % ts.__version__)
  except:
      print("scikits.timeseries: Not installed")
  
  try:
      import dateutil
      print("dateutil: %s" % dateutil.__version__)
  except:
      print("dateutil: Not installed")
  
  try:
      import pytz
      print("pytz: %s" % pytz.VERSION)
  except:
      print("pytz: Not installed")
  
  try:
      import tables
      print("PyTables: %s" % tables.__version__)
  except:
      print("PyTables: Not Installed")
  
  try:
      import numexpr
      print("    numexpr: %s" % numexpr.__version__)
  except:
      print("    numexpr: Not Installed")
  
  try:
      import matplotlib
      print("matplotlib: %s" % matplotlib.__version__)
  except:
      print("matplotlib: Not installed")
  
  try:
      import openpyxl
      print("openpyxl: %s" % openpyxl.__version__)
  except:
      print("openpyxl: Not installed")
  
  try:
      import xlrd
      print("xlrd: %s" % xlrd.__VERSION__)
  except:
      print("xlrd: Not installed")
  
  try:
      import xlwt
      print("xlwt: %s" % xlwt.__VERSION__)
  except:
      print("xlwt: Not installed")
  
  try:
      import sqlalchemy
      print("sqlalchemy: %s" % sqlalchemy.__version__)
  except:
      print("sqlalchemy: Not installed")
  
  print("\n")
  