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add more info to tensor.grad warning message #34264

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Merged
MingMingShangTian merged 1 commit into from
Jul 21, 2021
Merged

add more info to tensor.grad warning message #34264

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5 changes: 4 additions & 1 deletion python/paddle/fluid/dygraph/varbase_patch_methods.py
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Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,10 @@ def grad(self):
# Tensor(shape=[1], dtype=float32, place=CUDAPlace(0), stop_gradient=False, [500.])

"""
msg = "tensor.grad will return the tensor value of the gradient."
msg = 'tensor.grad will return the tensor value of the gradient.' \
' This is an incompatible upgrade for tensor.grad API. ' \
' It\'s return type changes from numpy.ndarray in version 2.0 to paddle.Tensor in version 2.1.0. ' \
' If you want to get the numpy value of the gradient, you can use :code:`x.grad.numpy()`'
warning_msg = "\033[93m\nWarning:\n%s \033[0m" % (msg)
# ensure ANSI escape sequences print correctly in cmd and powershell
if sys.platform.lower() == 'win32':
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