old_contents: import re
  import socket
  
  class Location(object):
    """Determine which cluster the code is running in, or CORP if we are not in prod."""
  
    PROD_SUFFIXES = [
      '.corpdc.twitter.com',
      '.prod.twitter.com',
    ]
  
    @staticmethod
    def is_corp():
      """
        Returns true if this job is in corp and requires an ssh tunnel for
        scheduler RPCs.
      """
      hostname = socket.gethostname()
      for suffix in Location.PROD_SUFFIXES:
        if hostname.endswith(suffix):
          return False
      return True
  
    @staticmethod
    def is_prod():
      return not Location.is_corp()
  
new_contents: import re
  import socket
  
  class Location(object):
    """Determine which cluster the code is running in, or CORP if we are not in prod."""
  
    PROD_SUFFIXES = [
      '.corpdc.twitter.com',
      '.prod.twitter.com',
      '.devel.twitter.com'
    ]
  
    @staticmethod
    def is_corp():
      """
        Returns true if this job is in corp and requires an ssh tunnel for
        scheduler RPCs.
      """
      hostname = socket.gethostname()
      for suffix in Location.PROD_SUFFIXES:
        if hostname.endswith(suffix):
          return False
      return True
  
    @staticmethod
    def is_prod():
      return not Location.is_corp()
  
subject: Add devel.twitter.com to PROD suffixes