之前的设置都没有问题,在运行train时报错
ValueError: zero-size array to reduction operation maximum which has no identity
报错的语句来自
File "python3.8/site-packages/numpy/core/_methods.py", line 30, in _amax
return umr_maximum(a, axis, None, out, keepdims, initial, where)
# avoid keyword arguments to speed up parsing, saves about 15%-20% for very
# small reductions
def _amax(a, axis=None, out=None, keepdims=False,
initial=_NoValue, where=True):
return umr_maximum(a, axis, None, out, keepdims, initial, where)