Error after robyn_run() "Error in py_get_attr_impl(x, name, silent)"

[alexlabuda]

Project Robyn

Issue

Error when running robyn_run() after updating to latest dev version (‘3.10.5.9008’).

Example

OutputModels <- robyn_run(
  InputCollect = InputCollect,
  cores      = NULL,
  iterations = 5000,
  trials     = 5,
  ts_validation      = TRUE,
  add_penalty_factor = FALSE # Experimental feature. Use with caution.
)

print(OutputModels)

Error:

Input data has 619 days in total: 2022-01-01 to 2023-09-11
Initial model is built on rolling window of 619 day: 2022-01-01 to 2023-09-11
Time-series validation with train_size range of 50%-80% of the data...
Using geometric adstocking with 20 hyperparameters (20 to iterate + 0 fixed) on 11 cores
>>> Starting 5 trials with 5000 iterations each using TwoPointsDE nevergrad algorithm...
  Running trial 1 of 5
Error in py_get_attr_impl(x, name, silent) : 
  AttributeError: '_DE' object has no attribute 'set_objective_weights'
Run `reticulate::py_last_error()` for details.

── Python Exception Message ──────────────────────────────────────── AttributeError: '_DE' object has no attribute 'set_objective_weights'

── R Traceback ─────────────────────────────────────────────── ▆

1. └─Robyn::robyn_run(...)
2. └─Robyn::robyn_train(...)
3. └─Robyn::robyn_mmm(...)
4. ├─optimizer$set_objective_weights
5. └─reticulate:::$.python.builtin.object(optimizer, "set_objective_weights")
6. └─reticulate:::py_get_attr_or_item(x, name, TRUE)
7. └─reticulate::py_get_attr(x, name)
8. └─reticulate:::py_get_attr_impl(x, name, silent)

Environment & Robyn version

Make sure you're using the latest Robyn version before you post an issue.

• Robyn version: 3.10.5.9008
• R version: R version 4.3.2 (2023-10-31)

[alexlabuda]

FIXED: running "py_install("nevergrad", pip = TRUE)" resolved this issue