code: def flags_frozen():
      return not __allow_nonbracketed_mutation_flag
  
file_path: pytorch/torch/backends/__init__.py
imports: import types
  from contextlib import contextmanager
  from torch.backends import cpu, cuda, cudnn, mha, mkl, mkldnn, mps, nnpack, openmp, quantized
label_desc: Use image node_id 2 for calling a global function with example usage: flags_frozen() and returns: unknown