TypeError：relu（）缺少1个必需的位置参数：'x'

Question

我收到此错误，但不知道为什么会出现。有人帮我。

import warnings
warnings.filterwarnings('ignore',category=FutureWarning)
import tensorflow as tf
import keras
from keras.layers.convolutional import Conv2D, AtrousConvolution2D
from keras.layers import Activation, Dense, Input, Conv2DTranspose, Dense, Flatten
from keras.layers import Dropout, Concatenate, BatchNormalization, Reshape
from keras.layers.advanced_activations import LeakyReLU
from keras.models import Model, model_from_json
from keras.optimizers import Adam
from keras.layers.convolutional import UpSampling2D
import keras.backend as K
from keras.activations import relu


def g_build_conv(layer_input, filter_size, kernel_size=4, strides=2, activation='leakyrelu', 
    dropout_rate=g_dropout, norm='inst', dilation=1):
    c = AtrousConvolution2D(filter_size, kernel_size=kernel_size, strides=strides,atrous_rate= 
        (dilation,dilation), padding='same')(layer_input)
    if activation == 'leakyrelu':
        c = relu()(c)
    if dropout_rate:
        c = Dropout(dropout_rate)(c)
    if norm == 'inst':
        c = InstanceNormalization()(c)
    return c

警告（来自警告模块）：文件“ C：\ Users \ xyz \ AppData \ Local \ Programs \ Python \ Python35 \ lib \ site-packages \ keras \ legacy \ layers.py”，762行warnings.warn（'AtrousConvolution2D层'UserWarning：AtrousConvolution2D层已被弃用。请改用Conv2D层和dilation_rate自变量。追溯（最最近一次通话）：文件“ D：\ Image Outpaining \ outpaint.py”，第146行，在GEN = build_generator（）在build_generator中的第120行，文件“ D：\ Image Outpaining \ outpaint.py”g1 = g_build_conv（g_input，64，5，strides = 1）文件“ D：\ Image Outpaining \ outpaint.py”，第102行，在g_build_conv中c = relu（）（c）TypeError：relu（）缺少1个必需的位置参数：'x'

Answer 1

keras.activations.relu是一个函数，而不是一个层，因此您在错误地调用它。要将ReLu添加为图层，请执行以下操作：

from keras.layers import Activation

if activation == 'leakyrelu':
    c = Activation("relu")(c)