class_docstr: A context manager that does an ordered acquire of Future conditions.
class_docstr_tok: ["A","context","manager","that","does","an","ordered","acquire","of","Future","conditions","."]
code: def __enter__(self):
      for future in self.futures:
          future._condition.acquire()
  
imports: import collections
  import logging
  import threading
  import time
  import types
label_desc: Use image node_id 2 for calling the _AcquireFutures obj's underlying member method code with example usage: obj.__enter__() without return types