docstr: get log path for testing 
docstr_tok: ["get","log","path","for","testing"]
code: def get_env_variable(var="CI_LOG_PATH"):
      """get log path for testing"""
      try:
          log_path = os.environ[var]
          return str(log_path)
      except Exception as e:
          # now = datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
          log_path = f"/tmp/ci_logs"
          print(
              "[get_env_variable] failed to get environment variables : %s, use default path : %s"
              % (str(e), log_path)
          )
          return log_path
  
imports: import os
label_desc: Use image node_id 2 for calling the LogConfig obj's underlying member method code with example usage: obj.get_env_variable(var) and returns: str, log_path