UnboundLocalError: local variable 'mutation' referenced before assignment

[ichxw]

Hi Jake,
When running example code as beflow:
`import numpy as np
import pandas as pd

from matplotlib import pyplot as plt

from bartpy.sklearnmodel import SklearnModel

x = np.random.normal(0, 0.5, size=1000)
X = pd.DataFrame({"x": x})
y = 2 * x + 4 * np.power(x, 3)
plt.scatter(x, y)

model = SklearnModel(n_jobs=1)

model.fit(X, y)
plt.scatter(x, model.predict())
plt.scatter(x, y)`

I got the following error:
0%| | 0/200 [00:00<?, ?it/s]Starting burn
Traceback (most recent call last):

File "", line 15, in
model.fit(X, y)

File ".../BART/bartpy-master/bartpy-master/bartpy/sklearnmodel.py", line 134, in fit
self.extract = Parallel(n_jobs=self.n_jobs)(self.f_delayed_chains(X, y))

File ".../anaconda3/lib/python3.6/site-packages/joblib/parallel.py", line 921, in call
if self.dispatch_one_batch(iterator):

File ".../anaconda3/lib/python3.6/site-packages/joblib/parallel.py", line 759, in dispatch_one_batch
self._dispatch(tasks)

File ".../anaconda3/lib/python3.6/site-packages/joblib/parallel.py", line 716, in _dispatch
job = self._backend.apply_async(batch, callback=cb)

File ".../anaconda3/lib/python3.6/site-packages/joblib/_parallel_backends.py", line 182, in apply_async
result = ImmediateResult(func)

File ".../anaconda3/lib/python3.6/site-packages/joblib/_parallel_backends.py", line 549, in init
self.results = batch()

File ".../anaconda3/lib/python3.6/site-packages/joblib/parallel.py", line 225, in call
for func, args, kwargs in self.items]

File ".../anaconda3/lib/python3.6/site-packages/joblib/parallel.py", line 225, in
for func, args, kwargs in self.items]

File ".../BART/bartpy-master/bartpy-master/bartpy/sklearnmodel.py", line 31, in run_chain
model.store_acceptance_trace)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/modelsampler.py", line 43, in samples
self.step(model, trace_logger)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/modelsampler.py", line 26, in step
result = step()

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/schedule.py", line 48, in
yield "Tree", lambda: self.tree_sampler.step(model, tree)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/unconstrainedtree/treemutation.py", line 47, in step
mutation = self.sample(model, tree)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/unconstrainedtree/treemutation.py", line 40, in sample
ratio = self.likihood_ratio.log_probability_ratio(model, tree, proposal)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/treemutation.py", line 80, in log_probability_ratio
return self.log_transition_ratio(tree, mutation) + self.log_likihood_ratio(model, tree, mutation) + self.log_tree_ratio(model, tree, mutation)

File ".../BART/bartpy-master/bartpy-master/bartpy/samplers/unconstrainedtree/likihoodratio.py", line 69, in log_likihood_ratio
#mutation: GrowMutation = mutation

UnboundLocalError: local variable 'mutation' referenced before assignment

Do you know where the problem is? Thank you.
xiangwei

[duhd1993]

Same here.

[duhd1993]

The ReadOneTrees branch seems working.

[JakeColtman]

Hi, Thanks for trying it out and raising an issue :) I'd pretty strongly recommend working off the ReadOneTrees branch rather than master. I'm going to do some final checks and then merge the changes back in.

[CoteDave]

Same problem here !

The ReadOneTrees branch seems working.

Thank you!

[WilsonAntony-171060]

como se una la rama ReadOneTrees alguien me ayuda porfavor, tengo el mismo problema de: "local variable 'mutation' referenced before assignment"

[WilsonAntony-171060]

### ESTO ME SALTA AL EJECUTARLO
0%| | 0/200 [00:00<?, ?it/s]Traceback (most recent call last):

File "", line 1, in
runfile('/home/antony/Python/Datos Panel Solar Validado/Bart_3.py', wdir='/home/antony/Python/Datos Panel Solar Validado')

File "/home/antony/anaconda3/lib/python3.7/site-packages/spyder_kernels/customize/spydercustomize.py", line 827, in runfile
execfile(filename, namespace)

File "/home/antony/anaconda3/lib/python3.7/site-packages/spyder_kernels/customize/spydercustomize.py", line 110, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)

File "/home/antony/Python/Datos Panel Solar Validado/Bart_3.py", line 23, in
model.fit(X, y)

File "/home/antony/anaconda3/lib/python3.7/site-packages/bartpy/sklearnmodel.py", line 134, in fit
self.extract = Parallel(n_jobs=self.n_jobs)(self.f_delayed_chains(X, y))

File "/home/antony/anaconda3/lib/python3.7/site-packages/joblib/parallel.py", line 934, in call
self.retrieve()

File "/home/antony/anaconda3/lib/python3.7/site-packages/joblib/parallel.py", line 833, in retrieve
self._output.extend(job.get(timeout=self.timeout))

File "/home/antony/anaconda3/lib/python3.7/site-packages/joblib/_parallel_backends.py", line 521, in wrap_future_result
return future.result(timeout=timeout)

File "/home/antony/anaconda3/lib/python3.7/concurrent/futures/_base.py", line 432, in result
return self.__get_result()

File "/home/antony/anaconda3/lib/python3.7/concurrent/futures/_base.py", line 384, in __get_result
raise self._exception

[b5ck1n]

Hi, I got the same problem, have you solved it?

[WilsonAntony-171060]

Si amigo lo resolvi. La solucion esta en que deberas instalar la libreria desde la rama que te indica el autor de la libreria El jue., 28 de nov. de 2019 7:16 AM, b5ck1n <[email protected]> escribió:

…

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