code: def _is_numpy_namespace(xp):
      """Return True if xp is backed by NumPy."""
      return xp.__name__ in {
          "numpy",
          "array_api_compat.numpy",
          "numpy.array_api",
      }
  
imports: import math
  from functools import wraps
  import numpy
  import scipy.special
  from .._config import get_config
  from .fixes import parse_version
label_desc: Use image node_id 4 for calling a global function with example usage: _is_numpy_namespace(xp) and returns: unknown