message: Use np.zeros([]).astype(dtype.as_numpy_dtype) to specify qint8 `zero`
  ```
  +    elif dtype.is_quantized:
  +      zero = np.zeros([]).astype(dtype.as_numpy_dtype)
  ```
diff: @@ -2806,6 +2806,8 @@ def zeros(shape, dtype=dtypes.float32, name=None):
  zero = False
  elif dtype == dtypes.string:
  zero = ""
  + elif dtype.is_quantized:
  + zero = np.zeros([]).astype(dtype.as_numpy_dtype)
  else:
  zero = 0
  