code: def schedule_epoch(self, batches: BATCHES_TYPE) -> MemoryContext:
      return ProcessCacheContext(self, batches)
  
file_path: ffcv/ffcv/memory_managers/process_cache/manager.py
imports: import numba
  import numpy
  from .context import ProcessCacheContext
  from ...pipeline.compiler import Compiler
  from ..base import MemoryManager, MemoryContext
  from ..common import BATCHES_TYPE
label_desc: Use image node_id 1 for calling the ProcessCacheManager obj's underlying member method code with example usage: obj.schedule_epoch(batches) and returns: ProcessCacheContext