Working with Sequences

In section

This leads to models that estimate x_t with \hat{x}_t = P(x_t \mid h_{t})

But going by the figure 8.1.2, isn’t x^_t calculated through a combination of h_t and x_t-1?

\hat{x}_t is calculated based on h_t, where β„Ž_𝑑=𝑔(β„Ž_{π‘‘βˆ’1},π‘₯_{π‘‘βˆ’1})

Having trouble with
d2l.plot(time, [x], β€˜time’, β€˜x’, xlim=[1, 1000], figsize=(6, 3))
in tensorflow, no error but no ploted image either, what am I doing wrong?