Traceback (most recent call last):
File "/Users/isakbe/Dev/modelling/il-sr/il_sr/scripts/minimal_example.py", line 32, in <module>
main()
File "/Users/isakbe/Dev/modelling/il-sr/il_sr/scripts/minimal_example.py", line 28, in main
loaded_model = PySRRegressor().from_file(run_directory="./outputs/test")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/isakbe/Library/Caches/pypoetry/virtualenvs/il-sr-9TFUWRsR-py3.11/lib/python3.11/site-packages/pysr/sr.py", line 1140, in from_file
model = cast("PySRRegressor", pkl.load(f))
^^^^^^^^^^^
Exception: error deserializing this value x = np.random.uniform(low=[-1, 3, 10], high=[6, 10, 100], size=(3000, 3))
y = np.sin(x[:, 0] - x[:, 2] ** 3) * np.exp(x[:, 1] / 5 + x[:, 0])
template = TemplateExpressionSpec(
expressions=["f", "g"],
variable_names=["x1", "x2", "x3"],
combine="sin(f(x1, x3)) * exp(g(x1, x2))",
)
model = PySRRegressor(
binary_operators=["+", "-", "*", "/", "^"],
expression_spec=template,
constraints={"^": (1, 9)},
run_id="test",
)
What happened?
When trying to load a model (
from_file(...)) that has been fitted with a template function, I get a pickle error.Version
1.5.8
Operating System
macOS
Package Manager
pip
Interface
Script (i.e.,
python my_script.py)Relevant log output
Extra Info
The model used to produce the error was defined as: