AAE, merge layer fails on keras 2.2.4

[nartes]

Keras-GAN/aae/aae.py

Line 70 in 77ed721

latent_repr = merge([mu, log_var],

TypeError: 'module' object is not callable
> aae/aae.py(72)build_encoder()
     70         latent_repr = merge([mu, log_var],
     71                 mode=lambda p: p[0] + K.random_normal(K.shape(p[0])) * K.exp(p[1] / 2),
---> 72                 output_shape=lambda p: p[0])
     73 
     74         return Model(img, latent_repr)

What about this?
#108

[nartes]

yeah, seems to be a duplicate of that one