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Python 3.7.6 (default, Jan  8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]
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IPython 7.12.0 -- An enhanced Interactive Python.
 

错误提示：

RuntimeError: tf.placeholder() is not compatible with eager execution.

增加代码：

tf.compat.v1.disable_eager_execution()

错误代码实例：

reset_graph()

X = tf.placeholder(tf.float32, shape=(None, n_inputs), name="X")
y = tf.placeholder(tf.int32, shape=(None), name="y")
Traceback (most recent call last):

  File "<ipython-input-15-d0b4044c06e0>", line 3, in <module>
    X = tf.placeholder(tf.float32, shape=(None, n_inputs), name="X")

  File "C:\Users\cheng\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\ops\array_ops.py", line 3282, in placeholder
    raise RuntimeError("tf.placeholder() is not compatible with "

RuntimeError: tf.placeholder() is not compatible with eager execution.

正确代码：

tf.compat.v1.disable_eager_execution()
reset_graph()

X = tf.placeholder(tf.float32, shape=(None, n_inputs), name="X")
y = tf.placeholder(tf.int32, shape=(None), name="y")