old_contents: #!/usr/bin/env python2.7
  
  import imp
  import sys
  import traceback
  import json
  import logging
  import uuid
  import os
  
  import event
  import context
  from timeout import time_limit
  from timeout import TimeoutException
  
  logging.basicConfig(stream=sys.stdout,
                      level=logging.INFO,
                      format='[%(levelname)s %(asctime)s] %(message)s')
  
  
  def run(args):
      e = event.read_event(args.event)
      c = context.Context(args.timeout)
      if args.library is not None:
          load_lib(args.library)
      request_id = uuid.uuid4()
      func = load(request_id, args.file, args.function)
  
      logger = logging.getLogger()
  
      logger.info("Event: {}".format(e))
  
      logger.info("START RequestId: {}".format(request_id))
      try:
          result = execute(func, e, c)
      except TimeoutException as e:
          result = e
      logger.info("END RequestId: {}".format(request_id))
  
      if type(result) is TimeoutException:
          logger.error("RESULT: {}".format(result))
      else:
          logger.info("RESULT: {}".format(result))
  
  
  def load_lib(path):
      sys.path.append(os.path.abspath(path))
  
  
  def load(request_id, path, function_name):
      mod_name = 'request-' + str(request_id)
  
      file_path = os.path.abspath(path)
      file_directory = os.path.dirname(file_path)
      sys.path.append(file_directory)
  
      mod = imp.load_source(mod_name, path)
      func = getattr(mod, function_name)
      return func
  
  
  def execute(func, event, context):
      try:
          with time_limit(context.timeout):
              result = func(event, context.activate())
      except TimeoutException as err:
          raise err
      except:
          err = sys.exc_info()
          result = json.dumps({
              "errorMessage": str(err[1]),
              "stackTrace": traceback.extract_tb(err[2]),
              "errorType": err[0].__name__
          }, indent=4, separators=(',', ': '))
  
      return result
  
new_contents: #!/usr/bin/env python2.7
  
  import imp
  import sys
  import traceback
  import json
  import logging
  import uuid
  import os
  
  import event
  import context
  from timeout import time_limit
  from timeout import TimeoutException
  
  logging.basicConfig(stream=sys.stdout,
                      level=logging.INFO,
                      format='[%(name)s - %(levelname)s - %(asctime)s] %(message)s')
  
  
  def run(args):
      e = event.read_event(args.event)
      c = context.Context(args.timeout)
      if args.library is not None:
          load_lib(args.library)
      request_id = uuid.uuid4()
      func = load(request_id, args.file, args.function)
  
      logger = logging.getLogger()
  
      logger.info("Event: {}".format(e))
  
      logger.info("START RequestId: {}".format(request_id))
      try:
          result = execute(func, e, c)
      except TimeoutException as e:
          result = e
      logger.info("END RequestId: {}".format(request_id))
  
      if type(result) is TimeoutException:
          logger.error("RESULT: {}".format(result))
      else:
          logger.info("RESULT: {}".format(result))
  
  
  def load_lib(path):
      sys.path.append(os.path.abspath(path))
  
  
  def load(request_id, path, function_name):
      mod_name = 'request-' + str(request_id)
  
      file_path = os.path.abspath(path)
      file_directory = os.path.dirname(file_path)
      sys.path.append(file_directory)
  
      mod = imp.load_source(mod_name, path)
      func = getattr(mod, function_name)
      return func
  
  
  def execute(func, event, context):
      try:
          with time_limit(context.timeout):
              result = func(event, context.activate())
      except TimeoutException as err:
          raise err
      except:
          err = sys.exc_info()
          result = json.dumps({
              "errorMessage": str(err[1]),
              "stackTrace": traceback.extract_tb(err[2]),
              "errorType": err[0].__name__
          }, indent=4, separators=(',', ': '))
  
      return result
  
subject: Update log format.