code: def _pad_tensor(x, length):
      _pad = 0.0
      assert x.ndim == 2
      x = np.pad(
          x,
          [[0, 0], [0, length - x.shape[1]]],
          mode="constant",
          constant_values=_pad,
      )
      return x
  
file_path: TTS/TTS/tts/utils/data.py
imports: import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: _pad_tensor(x, length) and returns: x