code: def is_packed_layout(layout):
      """Check if layout is packed layout"""
      if layout == "NCHW":
          return False
      if "n" in layout and "c" in layout:
          return True
      return False
  
file_path: tvm/vta/python/vta/top/vta_dense.py
imports: import numpy
  import tvm
  from tvm import te
  from tvm import autotvm
  from tvm import topi
  from ..environment import get_env
label_desc: Use image node_id 1 for calling a global function with example usage: is_packed_layout(layout) and returns: False, False, True