Correct cast function spec formatting
@@ -714,7 +714,8 @@ def cast(x, dtype):
# you need to assign it.
>>> input = K.cast(input, dtype='float16')
>>> input
- <tf.Tensor 'Cast_2:0' shape=(2, 3) dtype=float16> ```
+ <tf.Tensor 'Cast_2:0' shape=(2, 3) dtype=float16>
+ ```
"""
return tf.cast(x, dtype)
