old_contents: #!/usr/bin/env python
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  import os
  import subprocess
  from builtins import dict
  from builtins import str
  
  from chado.client import Client
  
  from future import standard_library
  
  standard_library.install_aliases()
  
  
  class UtilClient(Client):
      """
      Some chado utilities
      """
  
      def dbshell(self):
          """
          Open a psql session to the database
  
          :rtype: None
          :return: None
          """
          env = dict(
              os.environ,
              PGPASSWORD=self.ci.dbpass,
              PGHOST=self.ci.dbhost,
              PGUSER=self.ci.dbuser,
              PGDATABASE=self.ci.dbname,
              PGPORT=str(self.ci.dbport),
              PGSCHEMA=self.ci.dbschema,
          )
  
          subprocess.call(
              ['psql'],
              env=env
          )
  
      def launch_docker_image(self, background=False, no_yeast=False):
          """
          Launch a chado docker image.
  
          :type background: bool
          :param background: Launch the image in the background
  
          :type no_yeast: bool
          :param no_yeast: Disable loading of example yeast data
  
          :rtype: None
          :return: None
          """
  
          cmd = [
              'docker',
              'run', '-it',
          ]
  
          if background:
              cmd.append('-d')
  
          if not no_yeast:
              cmd += ['-e', 'INSTALL_YEAST_DATA=1']
  
          cmd += [
              '-p', '5432:5432',
              'erasche/chado:1.31-jenkins110.2-pg9.5'
          ]
  
          subprocess.call(cmd)
  
new_contents: #!/usr/bin/env python
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  import os
  import subprocess
  from builtins import dict
  from builtins import str
  
  from chado.client import Client
  
  from future import standard_library
  
  standard_library.install_aliases()
  
  
  class UtilClient(Client):
      """
      Some chado utilities
      """
  
      def dbshell(self):
          """
          Open a psql session to the database
  
          :rtype: None
          :return: None
          """
          env = dict(
              os.environ,
              PGPASSWORD=self.ci.dbpass,
              PGHOST=self.ci.dbhost,
              PGUSER=self.ci.dbuser,
              PGDATABASE=self.ci.dbname,
              PGPORT=str(self.ci.dbport),
              PGSCHEMA=self.ci.dbschema,
          )
  
          subprocess.call(
              ['psql'],
              env=env
          )
  
      def launch_docker_image(self, background=False, no_yeast=False):
          """
          Launch a chado docker image.
  
          :type background: bool
          :param background: Launch the image in the background
  
          :type no_yeast: bool
          :param no_yeast: Disable loading of example yeast data
  
          :rtype: None
          :return: None
          """
  
          cmd = [
              'docker',
              'run', '-it',
          ]
  
          if background:
              cmd.append('-d')
  
          if not no_yeast:
              cmd += ['-e', 'INSTALL_YEAST_DATA=1']
  
          cmd += [
              '-p', '5432:5432',
              'erasche/chado:1.31-jenkins21-pg9.5'
          ]
  
          subprocess.call(cmd)
  
subject: test with the latest chado image