Enable returning incomplete simulation results (#213)

Fixes #212 by returning incomplete simulation results with a warning
instead of terminating the simulation when encountering an exception.

CHANGELOG.md

@@ -27,6 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - User guide now explains the new objective classes
 - Telemetry deactivation warning is only shown to developers
 - `torch`, `gpytorch` and `botorch` are lazy-loaded for improved startup time
+- If an exception is encountered during simulation, incomplete results are returned 
+  with a warning instead of passing through the uncaught exception
 
 ### Removed
 - `model_params` attribute from `Surrogate` base class, `GaussianProcessSurrogate` and

baybe/simulation/core.py

@@ -156,6 +156,15 @@ def simulate_experiment(
             )
             break
 
+        # Temporary workaround to enable returning incomplete simulations
+        except Exception as ex:
+            warnings.warn(
+                f"An error has occurred during the simulation, "
+                f"therefore incomplete simulation results are returned. "
+                f"The error message was:\n{str(ex)}"
+            )
+            break
+
         n_experiments += len(measured)
         _look_up_target_values(measured, campaign, lookup, impute_mode)