old_contents: #!/usr/bin/env python
  
  import sys, logging, os, importlib
  from optparse import OptionParser
  from genthemall.utils import load_command
  
  USAGE = """usage: genthemall <command> [<args>]
  
   project     Add or modify project property.
   module      Add or modify module command property.
   filed       Add or modify filed properties.
   remove      Remove specify module or field.
   generate    generate files using MakoTemplate.
   template    List or edit some template file.
   printConfig Print sepecify type config.
   help        show command help info.
  """
  
  def main():
      """
      We begin here.
      """
      if len(sys.argv) < 2:
          print(USAGE)
          sys.exit(1)
  
  #    logging.basicConfig(level=logging.INFO)
      cmdName = sys.argv[1]
      CmdClass = load_command(cmdName)
      cmd = CmdClass(sys.argv[1:])
      cmd.execute()
  
  
new_contents: #!/usr/bin/env python
  
  import sys, logging, os, importlib
  from optparse import OptionParser
  from genthemall.utils import load_command
  
  USAGE = """usage: genthemall <command> [<args>]
  
   project     Add or modify project property.
   module      Add or modify module command property.
   field       Add or modify field properties.
   remove      Remove specify module or field.
   generate    generate files using MakoTemplate.
   template    List or edit some template file.
   printConfig Print sepecify type config.
   help        show command help info.
  """
  
  def main():
      """
      We begin here.
      """
      if len(sys.argv) < 2:
          print(USAGE)
          sys.exit(1)
  
  #    logging.basicConfig(level=logging.INFO)
      cmdName = sys.argv[1]
      try:
          CmdClass = load_command(cmdName)
          cmd = CmdClass(sys.argv[1:])
          cmd.execute()
      except AttributeError:
          print(USAGE)
          sys.exit(1)
  
  
subject: Fix main.py bug.