old_contents: #!/usr/bin/env python3
  
  # tsuserver3, an Attorney Online server
  #
  # Copyright (C) 2016 argoneus <argoneuscze@gmail.com>
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  from server.tsuserver import TsuServer3
  
  # Idiotproof setup
  def check_pyyaml():
      try:
          import yaml
      except ModuleNotFoundError:
          print("Couldn't import PyYAML. Installing it for you...")
          import pip
          pip.main(["install", "--user", "pyyaml"])
  
  def main():
      server = TsuServer3()
      server.start()
  
  
  if __name__ == '__main__':
      check_pyyaml()
      main()
  
new_contents: #!/usr/bin/env python3
  
  # tsuserver3, an Attorney Online server
  #
  # Copyright (C) 2016 argoneus <argoneuscze@gmail.com>
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  
  # Idiotproof setup
  def check_pyyaml():
      try:
          import yaml
      except ModuleNotFoundError:
          print("Couldn't import PyYAML. Installing it for you...")
          try:
              import pip
              pip.main(["install", "--user", "pyyaml"])
          except ModuleNotFoundError:
              print("Couldn't install it for you, because you don't have pip.")
  
  def main():
      from server.tsuserver import TsuServer3
      server = TsuServer3()
      server.start()
  
  
  if __name__ == '__main__':
      check_pyyaml()
      main()
  
subject: Handle case where pip is not found