code: def istensor2d(x):
      return x.ndim == 2 and x.shape[1] != 1
  
imports: import sys
  import numpy
  from cffi import FFI
  from neon import NervanaObject
  from neon.transforms import Rectlinclip
label_desc: Use image node_id 8 for calling a global function with example usage: istensor2d(x) and returns: unknown