error when including smooths term in eta: object 'n_samples' not found

[njtierney]

n_times <- 10
times <- seq_len(n_times)
truth <- 100 * exp(sin(times))
y <- rpois(n_times, truth)
plot(y ~ times, type = "l")

library(greta.gam)
#> Loading required package: greta
#> 
#> Attaching package: 'greta'
#> The following objects are masked from 'package:stats':
#> 
#>     binomial, cov2cor, poisson
#> The following objects are masked from 'package:base':
#> 
#>     %*%, apply, backsolve, beta, chol2inv, colMeans, colSums, diag,
#>     eigen, forwardsolve, gamma, identity, rowMeans, rowSums, sweep,
#>     tapply

eta <- smooths(~ 1 + s(time), data = data.frame(time = times))
#> ℹ Initialising python and checking dependencies, this may take a moment.
#> ✔ Initialising python and checking dependencies ... done!
#> 
lambda <- exp(eta)
distribution(y) <- poisson(lambda)
m <- model(eta)
draws <- mcmc(m)
#> running 4 chains simultaneously on up to 8 CPU cores
#> 
#> warmup 0/1000 | eta: ?s
#> Error in self$sample_carefully(free_state = self$free_state, sampler_burst_length = as.integer(n_samples), : object 'n_samples' not found

^{Created on 2024-02-12 with reprex v2.1.0}

Session info

sessioninfo::session_info()
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