old_contents: import subprocess
  import sys
  import setup_util
  import os
  
  proc = None
  
  def start(args):
    global proc
    setup_util.replace_text("flask/app.py", "DBHOSTNAME", args.database_host)
    proc = subprocess.Popen("~/FrameworkBenchmarks/installs/pypy-2.0/bin/pypy run_pypy.py --port=8080 --logging=error", shell=True, cwd="flask")
    return 0
  
  def stop():
    global proc
    if not proc:
      return 0
    proc.terminate()
    ret = proc.wait()
    proc = None
    return ret
  
new_contents: import subprocess
  import sys
  import setup_util
  import os
  
  proc = None
  
  def start(args):
    global proc
    setup_util.replace_text("flask/app.py", "DBHOSTNAME", args.database_host)
    proc = subprocess.Popen("~/FrameworkBenchmarks/installs/pypy-2.0/bin/pypy run_pypy.py --port=8080 --logging=error", shell=True, cwd="flask")
    return 0
  
  def stop():
    p = subprocess.Popen(['ps', 'aux'], stdout=subprocess.PIPE)
    out, err = p.communicate()
    for line in out.splitlines():
      if 'pypy' in line and 'run-tests' not in line:
        try:
          pid = int(line.split(None, 2)[1])
          os.kill(pid, 9)
        except OSError:
          pass
    return 0 
  
subject: revert setup file to use process killing