AttributeError: 'PySRRegressor' object has no attribute 'bumper'

[mrivera35]

Getting the following error when trying to load a PySR generated pkl file:

'''
AttributeError Traceback (most recent call last)
Cell In[30], line 1
----> 1 flux_decline_model=pysr.PySRRegressor.from_file(model_dir+'flux_decline/flux_decline_808.pkl',model_selection='best')
2 decay_rate_model=pysr.PySRRegressor.from_file(model_dir+'decay_rate/decay_rate_19.pkl',model_selection='best')
3 ss_flux_model=pysr.PySRRegressor.from_file(model_dir+'ss_flux/ss_flux_691.pkl',model_selection='best')

File /opt/anaconda3/envs/pysr/lib/python3.12/site-packages/pysr/sr.py:1018, in PySRRegressor.from_file(cls, equation_file, binary_operators, unary_operators, n_features_in, feature_names_in, selection_mask, nout, **pysr_kwargs)
1014 model.equation_file_ = os.path.join(base_dir, base_equation_file)
1016 # Update any parameters if necessary, such as
1017 # extra_sympy_mappings:
-> 1018 model.set_params(**pysr_kwargs)
1019 if "equations_" not in model.dict or model.equations_ is None:
1020 model.refresh()

File /opt/anaconda3/envs/pysr/lib/python3.12/site-packages/sklearn/base.py:272, in BaseEstimator.set_params(self, **params)
269 if not params:
270 # Simple optimization to gain speed (inspect is slow)
271 return self
--> 272 valid_params = self.get_params(deep=True)
274 nested_params = defaultdict(dict) # grouped by prefix
275 for key, value in params.items():

File /opt/anaconda3/envs/pysr/lib/python3.12/site-packages/sklearn/base.py:244, in BaseEstimator.get_params(self, deep)
242 out = dict()
243 for key in self._get_param_names():
--> 244 value = getattr(self, key)
245 if deep and hasattr(value, "get_params") and not isinstance(value, type):
246 deep_items = value.get_params().items()

AttributeError: 'PySRRegressor' object has no attribute 'bumper'
'''

Full environment information:

'''

Name Version Build Channel

anyio 4.6.2 py312hca03da5_0
appnope 0.1.3 py312hca03da5_1001
argon2-cffi 21.3.0 pyhd3eb1b0_0
argon2-cffi-bindings 21.2.0 py312h80987f9_0
asttokens 2.0.5 pyhd3eb1b0_0
async-lru 2.0.4 py312hca03da5_0
attrs 24.2.0 py312hca03da5_0
babel 2.11.0 py312hca03da5_0
beautifulsoup4 4.12.3 py312hca03da5_0
bleach 4.1.0 pyhd3eb1b0_0
brotli 1.0.9 h80987f9_8
brotli-bin 1.0.9 h80987f9_8
brotli-python 1.0.9 py312h313beb8_8
bzip2 1.0.8 h80987f9_6
ca-certificates 2024.9.24 hca03da5_0
certifi 2024.8.30 py312hca03da5_0
cffi 1.17.1 py312h3eb5a62_0
charset-normalizer 3.3.2 pyhd3eb1b0_0
click 8.1.7 py312hca03da5_0
comm 0.2.1 py312hca03da5_0
contourpy 1.3.0 py312h6142ec9_2 conda-forge
cycler 0.11.0 pyhd3eb1b0_0
debugpy 1.6.7 py312h313beb8_0
decorator 5.1.1 pyhd3eb1b0_0
defusedxml 0.7.1 pyhd3eb1b0_0
entrypoints 0.4 py312hca03da5_0
et_xmlfile 1.1.0 py312hca03da5_1
executing 0.8.3 pyhd3eb1b0_0
expat 2.6.3 h313beb8_0
fonttools 4.51.0 py312h80987f9_0
freetype 2.12.1 hadb7bae_2 conda-forge
glib 2.82.2 hb1db9eb_0 conda-forge
glib-tools 2.82.2 h25d4a46_0 conda-forge
glob2 0.7 py_0 conda-forge
gst-plugins-base 1.24.7 hb49d354_0 conda-forge
gstreamer 1.24.7 hc3f5269_0 conda-forge
h11 0.14.0 py312hca03da5_0
httpcore 1.0.2 py312hca03da5_0
httpx 0.27.0 py312hca03da5_0
icu 73.2 hc8870d7_0 conda-forge
idna 3.7 py312hca03da5_0
ipykernel 6.29.5 py312hca03da5_0
ipython 8.27.0 py312hca03da5_0
ipywidgets 8.1.2 py312hca03da5_0
jedi 0.19.1 py312hca03da5_0
jinja2 3.1.4 py312hca03da5_0
joblib 1.4.2 py312hca03da5_0
json5 0.9.6 pyhd3eb1b0_0
jsonschema 4.23.0 py312hca03da5_0
jsonschema-specifications 2023.7.1 py312hca03da5_0
jupyter 1.1.1 pyhd8ed1ab_0 conda-forge
jupyter-lsp 2.2.0 py312hca03da5_0
jupyter_client 8.6.0 py312hca03da5_0
jupyter_console 6.6.3 py312hca03da5_1
jupyter_core 5.7.2 py312hca03da5_0
jupyter_events 0.10.0 py312hca03da5_0
jupyter_server 2.14.1 py312hca03da5_0
jupyter_server_terminals 0.4.4 py312hca03da5_1
jupyterlab 4.2.5 py312hca03da5_0
jupyterlab_pygments 0.1.2 py_0
jupyterlab_server 2.27.3 py312hca03da5_0
jupyterlab_widgets 3.0.10 py312hca03da5_0
kiwisolver 1.4.4 py312h313beb8_0
krb5 1.21.3 hf3e1bf2_0
lcms2 2.16 ha0e7c42_0 conda-forge
lerc 4.0.0 h9a09cb3_0 conda-forge
libblas 3.9.0 1_h9886b1c_netlib
libbrotlicommon 1.0.9 h80987f9_8
libbrotlidec 1.0.9 h80987f9_8
libbrotlienc 1.0.9 h80987f9_8
libcblas 3.9.0 1_h9886b1c_netlib
libclang-cpp15 15.0.7 default_he012953_5 conda-forge
libclang13 19.1.2 default_h5f28f6d_1 conda-forge
libcxx 19.1.2 ha82da77_0 conda-forge
libdeflate 1.22 hd74edd7_0 conda-forge
libedit 3.1.20230828 h80987f9_0
libexpat 2.6.3 hf9b8971_0 conda-forge
libffi 3.4.4 hca03da5_1
libgfortran 5.0.0 13_2_0_hd922786_3 conda-forge
libgfortran5 13.2.0 hf226fd6_3 conda-forge
libglib 2.82.2 h07bd6cf_0 conda-forge
libiconv 1.17 h0d3ecfb_2 conda-forge
libintl 0.22.5 h8414b35_3 conda-forge
libintl-devel 0.22.5 h8414b35_3 conda-forge
libjpeg-turbo 3.0.3 h80987f9_0
liblapack 3.9.0 1_h9886b1c_netlib
libllvm15 15.0.7 h2621b3d_4 conda-forge
libllvm19 19.1.2 haf57ff0_0 conda-forge
libogg 1.3.5 h1a28f6b_1
libopus 1.3.1 h80987f9_1
libpng 1.6.44 hc14010f_0 conda-forge
libpq 16.4 hfb0b52a_3 conda-forge
libsodium 1.0.18 h1a28f6b_0
libsqlite 3.45.2 h091b4b1_0 conda-forge
libtiff 4.7.0 hfce79cd_1 conda-forge
libvorbis 1.3.7 h1a28f6b_0
libwebp-base 1.4.0 h93a5062_0 conda-forge
libxcb 1.17.0 hdb1d25a_0 conda-forge
libxml2 2.12.7 h9a80f22_3 conda-forge
libzlib 1.3.1 h8359307_2 conda-forge
llvm-openmp 19.1.2 hb52a8e5_0 conda-forge
markupsafe 2.1.3 py312h80987f9_0
matplotlib 3.9.2 py312h1f38498_1 conda-forge
matplotlib-base 3.9.2 py312h9bd0bc6_1 conda-forge
matplotlib-inline 0.1.6 py312hca03da5_0
mistune 2.0.4 py312hca03da5_0
mpmath 1.3.0 py312hca03da5_0
mysql-common 8.3.0 h1687695_5 conda-forge
mysql-libs 8.3.0 h0e80b4a_5 conda-forge
nbclient 0.8.0 py312hca03da5_0
nbconvert 7.16.4 hd8ed1ab_1 conda-forge
nbconvert-core 7.16.4 pyhd8ed1ab_1 conda-forge
nbconvert-pandoc 7.16.4 hd8ed1ab_1 conda-forge
nbformat 5.10.4 py312hca03da5_0
ncurses 6.4 h313beb8_0
nest-asyncio 1.6.0 py312hca03da5_0
notebook 7.2.2 py312hca03da5_1
notebook-shim 0.2.3 py312hca03da5_0
nspr 4.35 h313beb8_0
nss 3.98 h5ce2875_0 conda-forge
numpy 2.1.2 py312h801f5e3_0 conda-forge
openjpeg 2.5.2 h54b8e55_0
openpyxl 3.1.5 py312h80987f9_0 anaconda
openssl 3.3.2 h8359307_0 conda-forge
overrides 7.4.0 py312hca03da5_0
packaging 24.1 py312hca03da5_0
pandas 2.2.3 py312hcd31e36_1 conda-forge
pandoc 2.12 hca03da5_3
pandocfilters 1.5.0 pyhd3eb1b0_0
parso 0.8.3 pyhd3eb1b0_0
pcre2 10.44 h297a79d_2 conda-forge
pexpect 4.8.0 pyhd3eb1b0_3
pillow 11.0.0 py312haf37ca6_0 conda-forge
pip 24.2 py312hca03da5_0
platformdirs 3.10.0 py312hca03da5_0
ply 3.11 py312hca03da5_1
prometheus_client 0.14.1 py312hca03da5_0
prompt-toolkit 3.0.43 py312hca03da5_0
prompt_toolkit 3.0.43 hd3eb1b0_0
psutil 5.9.0 py312h80987f9_0
pthread-stubs 0.3 h1a28f6b_1
ptyprocess 0.7.0 pyhd3eb1b0_2
pure_eval 0.2.2 pyhd3eb1b0_0
pycparser 2.21 pyhd3eb1b0_0
pygments 2.15.1 py312hca03da5_1
pyjuliacall 0.9.23 pyhd8ed1ab_0 conda-forge
pyjuliapkg 0.1.13 pyhd8ed1ab_0 conda-forge
pyparsing 3.1.2 py312hca03da5_0
pyqt 5.15.10 py312h313beb8_0 anaconda
pyqt5-sip 12.13.0 py312h80987f9_0
pyqt6 6.7.1 pypi_0 pypi
pyqt6-qt6 6.7.3 pypi_0 pypi
pyqt6-sip 13.8.0 pypi_0 pypi
pysocks 1.7.1 py312hca03da5_0
pysr 0.19.4 pyhd8ed1ab_0 conda-forge
python 3.12.2 hdf0ec26_0_cpython conda-forge
python-dateutil 2.9.0post0 py312hca03da5_2
python-fastjsonschema 2.16.2 py312hca03da5_0
python-json-logger 2.0.7 py312hca03da5_0
python-tzdata 2023.3 pyhd3eb1b0_0
python_abi 3.12 5_cp312 conda-forge
pytz 2024.1 py312hca03da5_0
pyyaml 6.0.2 py312h80987f9_0
pyzmq 25.1.2 py312h313beb8_0
qhull 2020.2 h48ca7d4_2
qt-main 5.15.8 hf679f28_21 conda-forge
readline 8.2 h1a28f6b_0
referencing 0.30.2 py312hca03da5_0
requests 2.32.3 py312hca03da5_0
rfc3339-validator 0.1.4 py312hca03da5_0
rfc3986-validator 0.1.1 py312hca03da5_0
rpds-py 0.10.6 py312hf0e4da2_0
scikit-learn 1.5.2 py312h387f99c_1 conda-forge
scipy 1.14.1 py312heb3a901_0 conda-forge
semver 3.0.2 py312hca03da5_0
send2trash 1.8.2 py312hca03da5_0
setuptools 75.1.0 py312hca03da5_0
sip 6.7.12 py312h313beb8_0
six 1.16.0 pyhd3eb1b0_1
sniffio 1.3.0 py312hca03da5_0
soupsieve 2.5 py312hca03da5_0
sqlite 3.45.2 hf2abe2d_0 conda-forge
stack_data 0.2.0 pyhd3eb1b0_0
sympy 1.13.2 py312hca03da5_0
terminado 0.17.1 py312hca03da5_0
threadpoolctl 3.5.0 py312h989b03a_0
tinycss2 1.2.1 py312hca03da5_0
tk 8.6.13 h5083fa2_1 conda-forge
tornado 6.4.1 py312h80987f9_0
traitlets 5.14.3 py312hca03da5_0
typing-extensions 4.11.0 py312hca03da5_0
typing_extensions 4.11.0 py312hca03da5_0
tzdata 2024b h04d1e81_0
unicodedata2 15.1.0 py312h80987f9_0
urllib3 2.2.3 py312hca03da5_0
wcwidth 0.2.5 pyhd3eb1b0_0
webencodings 0.5.1 py312hca03da5_2
websocket-client 1.8.0 py312hca03da5_0
wheel 0.44.0 py312hca03da5_0
widgetsnbextension 4.0.10 py312hca03da5_0
xorg-libxau 1.0.11 hd74edd7_1 conda-forge
xorg-libxdmcp 1.1.5 hd74edd7_0 conda-forge
xz 5.4.6 h80987f9_1
yaml 0.2.5 h1a28f6b_0
zeromq 4.3.5 h313beb8_0
zlib 1.3.1 h8359307_2 conda-forge
zstd 1.5.6 hb46c0d2_0 conda-forge
'''

[MilesCranmer]

Maybe you saved on an older version of PySR and attempting to load it on the latest? Or the reverse?

[mrivera35]

Yes, I was attempting to load models that were generated on an older version. I regressed the version and that fixed the issue. Thank you!