old_contents: import os
  
  from cla_public.config.common import *  # noqa F100
  
  settings_required = (
      "ZENDESK_API_USERNAME",
      "ZENDESK_API_TOKEN",
      "SMTP_HOST",
      "SMTP_USER",
      "SMTP_PASSWORD",
      "RAVEN_CONFIG_DSN",
      "RAVEN_CONFIG_SITE",
      "BACKEND_BASE_URI",
      "LAALAA_API_HOST",
      "GOOGLE_MAPS_API_KEY",
  )
  
  for key in settings_required:
      if key not in os.environ:
          raise Exception("'{}' Environment variable is required. please provide".format(key))
  
  DEBUG = os.environ.get("SET_DEBUG", False) == "True"
  
  SESSION_COOKIE_SECURE = os.environ.get("CLA_ENV", "") in ["prod", "staging"]
  
  HOST_NAME = os.environ.get("HOST_NAME") or os.environ.get("HOSTNAME")
  
  LOGGING["handlers"]["console"]["formatter"] = "logstash"  # noqa
  LOGGING["loggers"] = {"": {"handlers": ["console"], "level": os.environ.get("LOG_LEVEL", "INFO")}}  # noqa
  
new_contents: import os
  
  from cla_public.config.common import *  # noqa F100
  
  settings_required = (
      "ZENDESK_API_USERNAME",
      "ZENDESK_API_TOKEN",
      "SMTP_HOST",
      "SMTP_USER",
      "SMTP_PASSWORD",
      "RAVEN_CONFIG_DSN",
      "RAVEN_CONFIG_SITE",
      "BACKEND_BASE_URI",
      "LAALAA_API_HOST",
      "GOOGLE_MAPS_API_KEY",
  )
  
  for key in settings_required:
      if key not in os.environ:
          raise Exception("'{}' Environment variable is required. please provide".format(key))
  
  DEBUG = os.environ.get("SET_DEBUG", False) == "True"
  
  SESSION_COOKIE_SECURE = os.environ.get("CLA_ENV", "") in ["production", "staging"]
  
  HOST_NAME = os.environ.get("HOST_NAME") or os.environ.get("HOSTNAME")
  
  LOGGING["handlers"]["console"]["formatter"] = "logstash"  # noqa
  LOGGING["loggers"] = {"": {"handlers": ["console"], "level": os.environ.get("LOG_LEVEL", "INFO")}}  # noqa
  
subject: Fix missed check