code: def zero_grads(tensors):
      """
      Sets gradients of list of Tensors to zero in place
      """
      for p in tensors:
          if p.grad is not None:
              p.grad = torch.zeros_like(p.grad)
  
imports: import math
  import numbers
  from collections import Counter, defaultdict
  from contextlib import contextmanager
  import torch
  from opt_einsum import shared_intermediates
  from opt_einsum.sharing import count_cached_ops
  from pyro.distributions.util import is_identically_zero
  from pyro.ops import packed
  from pyro.ops.einsum.adjoint import require_backward
  from pyro.ops.rings import MarginalRing
  from pyro.poutine.util import site_is_subsample
  from ..None import settings
label_desc: Use image node_id 8 for calling a global function with example usage: zero_grads(tensors) without return types