old_contents: """
  config.py
  
  Configuration and settings
  """
  
  import os
  
  
  def from_env(env_var, default):
      """ Gets value from envrionment variable or uses default
  
      Args:
          env_var: name of envrionment variable
          default: the default value
      """
      new = os.environ.get(env_var)
      if new:
          return new
      else:
          return default
  
  class Config(object):
      DEBUG = True
      TESTING = False
      # Global stuff
      SQLALCHEMY_DATABASE_URI = (
          'postgresql+psycopg2://postgres:postgres@db/meerkat_db')
      API_KEY = "test-api"
      AUTH = {
          'default': [['registered'],['demo']]
      }
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      APPLICATION_ROOT = "/api"
      PROPAGATE_EXCEPTIONS = True
      BROKER_URL = 'amqp://guest@dev_rabbit_1//'
      CELERY_RESULT_BACKEND = 'rpc://guest@dev_rabbit_1//'
      CELERY_TASK_SERIALIZER = 'json'
      CELERY_RESULT_SERIALIZER = 'json'
      CELERY_ACCEPT_CONTENT = ['json']
      SENTRY_DNS = from_env('SENTRY_DNS', '')
      INTERNAL_DEVICE_API_ROOT = from_env("INTERNAL_API_ROOT", 'http://dev_nginx_1/mob')
      EXTERNAL_DEVICE_API_ROOT = '/mob'
  
      LOGGING_URL = os.getenv("LOGGING_URL", None)
      LOGGING_SOURCE = os.getenv("LOGGING_SOURCE", "frontend")
      LOGGING_SOURCE_TYPE = "api"
      LOGGING_IMPLEMENTAION = os.getenv("LOGGING_IMPLEMENTAION", "demo")
      
  class Production(Config):
      DEBUG = False
      TESTING = False
  
  class Development(Config):
      DEBUG = True
      TESTING = True
  
  
  class Testing(Config):
      DEBUG = False
      TESTING = True
  
new_contents: """
  config.py
  
  Configuration and settings
  """
  
  import os
  
  
  def from_env(env_var, default):
      """ Gets value from envrionment variable or uses default
  
      Args:
          env_var: name of envrionment variable
          default: the default value
      """
      new = os.environ.get(env_var)
      if new:
          return new
      else:
          return default
  
  class Config(object):
      DEBUG = True
      TESTING = False
      # Global stuff
      SQLALCHEMY_DATABASE_URI = (
          'postgresql+psycopg2://postgres:postgres@db/meerkat_db')
      API_KEY = "test-api"
      AUTH = {
          'default': [['registered'],['demo']]
      }
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      APPLICATION_ROOT = "/api"
      PROPAGATE_EXCEPTIONS = True
      BROKER_URL = 'amqp://guest@dev_rabbit_1//'
      CELERY_RESULT_BACKEND = 'rpc://guest@dev_rabbit_1//'
      CELERY_TASK_SERIALIZER = 'json'
      CELERY_RESULT_SERIALIZER = 'json'
      CELERY_ACCEPT_CONTENT = ['json']
      SENTRY_DNS = from_env('SENTRY_DNS', '')
      INTERNAL_DEVICE_API_ROOT = from_env("INTERNAL_API_ROOT", 'http://dev_nginx_1/mob')
      EXTERNAL_DEVICE_API_ROOT = '/mob'
  
      LOGGING_URL = os.getenv("LOGGING_URL", None)
      LOGGING_SOURCE = os.getenv("LOGGING_SOURCE", "frontend")
      LOGGING_SOURCE_TYPE = "api"
      LOGGING_IMPLEMENTATION = os.getenv("LOGGING_IMPLEMENTATION", "demo")
      
  class Production(Config):
      DEBUG = False
      TESTING = False
  
  class Development(Config):
      DEBUG = True
      TESTING = True
  
  
  class Testing(Config):
      DEBUG = False
      TESTING = True
  
subject: fix LOGGING_IMPLEMENTATION typo