code: def _get_raw_typename(dtype):
      return cupy.dtype(dtype).name
  
file_path: cupy/cupyx/scipy/signal/_spectral_impl.py
imports: import warnings
  import cupy
  from cupy_backends.cuda.api import runtime
  import cupyx.scipy.signal._signaltools
  from cupyx.scipy.signal._arraytools import odd_ext, even_ext, zero_ext, const_ext, _as_strided
  from cupyx.scipy.signal.windows._windows import get_window
label_desc: Use image node_id 1 for calling a global function with example usage: _get_raw_typename(dtype) and returns: cupy