code: def lock_wait(self, filename):
      while not self.lock(filename):
          time.sleep(0.01)
  
file_path: auptimizer/src/aup/Proposer/spearmint/Locker.py
imports: import os
  import sys
  import time
label_desc: Use image node_id 5 for calling the Locker obj's underlying member method code with example usage: obj.lock_wait(filename) without return types