code: def initialize(context):
      global log
      context.parameters = parameters
      context.log = Logger(context.parameters.ALGO_NAMESPACE)
      log = context.log
      default_initialize(context)
      context.killer = GracefulKiller(context)
      context.telegram_bot = None
  
file_path: catalyst/catalyst/support/issue_216.py
imports: import sys
  import os
  import signal
  import pandas
  from logbook import Logger
  from catalyst import run_algorithm
  from catalyst.api import symbol, record, order
  from catalyst.finance import commission
label_desc: Use image node_id 6 for calling a global function with example usage: initialize(context) without return types