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local variable 'x' referenced before assignment #27

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gui-li opened this issue Jun 8, 2021 · 3 comments
Closed

local variable 'x' referenced before assignment #27

gui-li opened this issue Jun 8, 2021 · 3 comments
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@Oceanusity
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xgraph Interpretability of Graph Neural Networks

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@gui-li
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gui-li commented Jun 8, 2021

First of all, I really appreciate your work in contributing this library, it's really useful. However, while following your tutorial, I got the following error:

---------------------------------------------------------------------------
UnboundLocalError                         Traceback (most recent call last)
<ipython-input-5-7e5867836373> in <module>
     16 print(f'explain graph node {node_idx}')
     17 data.to(device)
---> 18 logits = model(data.x, data.edge_index)
     19 prediction = logits[node_idx].argmax(-1).item()
     20 

~/anaconda3/envs/dig/lib/python3.8/site-packages/torch/nn/modules/module.py in _call_impl(self, *input, **kwargs)
    887             result = self._slow_forward(*input, **kwargs)
    888         else:
--> 889             result = self.forward(*input, **kwargs)
    890         for hook in itertools.chain(
    891                 _global_forward_hooks.values(),

~/anaconda3/envs/dig/lib/python3.8/site-packages/dig/xgraph/models/models.py in forward(self, *args, **kwargs)
    147         :return:
    148         """
--> 149         x, edge_index, batch = self.arguments_read(*args, **kwargs)
    150 
    151         post_conv = self.relu1(self.conv1(x, edge_index))

~/anaconda3/envs/dig/lib/python3.8/site-packages/dig/xgraph/models/models.py in arguments_read(self, *args, **kwargs)
     42             elif len(args) == 2:
     43                 x, edge_index, batch = args[0], args[1], \
---> 44                                        torch.zeros(args[0].shape[0], dtype=torch.int64, device=x.device)
     45             elif len(args) == 3:
     46                 x, edge_index, batch = args[0], args[1], args[2]

UnboundLocalError: local variable 'x' referenced before assignment

The corresponding code block is:

# --- Create data collector and explanation processor ---
from dig.xgraph.evaluation import XCollector, ExplanationProcessor
x_collector = XCollector()

index = -1
node_indices = torch.where(dataset[0].test_mask * dataset[0].y != 0)[0].tolist()
data = dataset[0]

from dig.xgraph.method.subgraphx import PlotUtils
from dig.xgraph.method.subgraphx import find_closest_node_result, k_hop_subgraph_with_default_whole_graph
plotutils = PlotUtils(dataset_name='ba_shapes')

# Visualization
max_nodes = 5
node_idx = node_indices[6]
print(f'explain graph node {node_idx}')
data.to(device)
logits = model(data.x, data.edge_index)
prediction = logits[node_idx].argmax(-1).item()

_, explanation_results, related_preds = \
    explainer(data.x, data.edge_index, node_idx=node_idx, max_nodes=max_nodes)
result = find_closest_node_result(explanation_results[prediction], max_nodes=max_nodes)

plotutils = PlotUtils(dataset_name='ba_shapes')
explainer.visualization(explanation_results,
                        prediction,
                        max_nodes=max_nodes,
                        plot_utils=plotutils,
                        y=data.y)

My installed packages are as follow:

# packages in environment at /home/*/anaconda3/envs/dig:
#
# Name                    Version                   Build  Channel
_libgcc_mutex             0.1                 conda_forge    conda-forge
_openmp_mutex             4.5                       1_gnu    conda-forge
anyio                     3.1.0            py38h578d9bd_0    conda-forge
argon2-cffi               20.1.0           py38h497a2fe_2    conda-forge
ase                       3.21.1                   pypi_0    pypi
async_generator           1.10                       py_0    conda-forge
attrs                     21.2.0             pyhd8ed1ab_0    conda-forge
babel                     2.9.1              pyh44b312d_0    conda-forge
backcall                  0.2.0              pyh9f0ad1d_0    conda-forge
backports                 1.0                        py_2    conda-forge
backports.functools_lru_cache 1.6.4              pyhd8ed1ab_0    conda-forge
blas                      1.0                         mkl
bleach                    3.3.0              pyh44b312d_0    conda-forge
boost                     1.74.0           py38hc10631b_3    conda-forge
boost-cpp                 1.74.0               hc6e9bd1_3    conda-forge
brotlipy                  0.7.0           py38h497a2fe_1001    conda-forge
bzip2                     1.0.8                h7b6447c_0
ca-certificates           2021.5.30            ha878542_0    conda-forge
cairo                     1.16.0            h6cf1ce9_1008    conda-forge
captum                    0.2.0                    pypi_0    pypi
certifi                   2021.5.30        py38h578d9bd_0    conda-forge
cffi                      1.14.5           py38ha65f79e_0    conda-forge
chardet                   4.0.0            py38h578d9bd_1    conda-forge
cilog                     1.2.0                    pypi_0    pypi
cloudpickle               1.6.0                    pypi_0    pypi
cryptography              3.4.7            py38ha5dfef3_0    conda-forge
cudatoolkit               10.1.243             h6bb024c_0
cycler                    0.10.0                     py_2    conda-forge
decorator                 4.4.2                    pypi_0    pypi
defusedxml                0.7.1              pyhd8ed1ab_0    conda-forge
dive-into-graphs          0.0.4                    pypi_0    pypi
entrypoints               0.3             pyhd8ed1ab_1003    conda-forge
et-xmlfile                1.1.0                    pypi_0    pypi
ffmpeg                    4.3                  hf484d3e_0    pytorch
fontconfig                2.13.1            hba837de_1005    conda-forge
freetype                  2.10.4               h5ab3b9f_0
gettext                   0.19.8.1          h0b5b191_1005    conda-forge
gmp                       6.2.1                h2531618_2
gnutls                    3.6.15               he1e5248_0
googledrivedownloader     0.4                      pypi_0    pypi
greenlet                  1.1.0            py38h709712a_0    conda-forge
h5py                      3.2.1                    pypi_0    pypi
icu                       68.1                 h58526e2_0    conda-forge
idna                      2.10               pyh9f0ad1d_0    conda-forge
importlib-metadata        4.5.0            py38h578d9bd_0    conda-forge
intel-openmp              2021.2.0           h06a4308_610
ipykernel                 5.5.5            py38hd0cf306_0    conda-forge
ipython                   7.24.1           py38hd0cf306_0    conda-forge
ipython-genutils          0.2.0                    pypi_0    pypi
ipython_genutils          0.2.0                      py_1    conda-forge
isodate                   0.6.0                    pypi_0    pypi
jedi                      0.18.0           py38h578d9bd_2    conda-forge
jinja2                    3.0.1              pyhd8ed1ab_0    conda-forge
joblib                    1.0.1                    pypi_0    pypi
jpeg                      9b                   h024ee3a_2
json5                     0.9.5              pyh9f0ad1d_0    conda-forge
jsonschema                3.2.0              pyhd8ed1ab_3    conda-forge
jupyter_client            6.1.12             pyhd8ed1ab_0    conda-forge
jupyter_core              4.7.1            py38h578d9bd_0    conda-forge
jupyter_server            1.8.0              pyhd8ed1ab_0    conda-forge
jupyterlab                3.0.16             pyhd8ed1ab_0    conda-forge
jupyterlab_pygments       0.1.2              pyh9f0ad1d_0    conda-forge
jupyterlab_server         2.6.0              pyhd8ed1ab_0    conda-forge
kiwisolver                1.3.1            py38h1fd1430_1    conda-forge
lame                      3.100                h7b6447c_0
lcms2                     2.12                 h3be6417_0
ld_impl_linux-64          2.33.1               h53a641e_7
libffi                    3.3                  he6710b0_2
libgcc-ng                 9.3.0               h2828fa1_19    conda-forge
libglib                   2.68.2               h3e27bee_2    conda-forge
libgomp                   9.3.0               h2828fa1_19    conda-forge
libiconv                  1.16                 h516909a_0    conda-forge
libidn2                   2.3.1                h27cfd23_0
libpng                    1.6.37               hbc83047_0
libsodium                 1.0.18               h36c2ea0_1    conda-forge
libstdcxx-ng              9.3.0               h6de172a_19    conda-forge
libtasn1                  4.16.0               h27cfd23_0
libtiff                   4.2.0                h85742a9_0
libunistring              0.9.10               h27cfd23_0
libuuid                   2.32.1            h7f98852_1000    conda-forge
libuv                     1.40.0               h7b6447c_0
libwebp-base              1.2.0                h27cfd23_0
libxcb                    1.13              h7f98852_1003    conda-forge
libxml2                   2.9.12               h72842e0_0    conda-forge
llvmlite                  0.36.0                   pypi_0    pypi
lz4-c                     1.9.3                h2531618_0
markupsafe                2.0.1            py38h497a2fe_0    conda-forge
matplotlib-base           3.4.2            py38hcc49a3a_0    conda-forge
matplotlib-inline         0.1.2              pyhd8ed1ab_2    conda-forge
mistune                   0.8.4           py38h497a2fe_1003    conda-forge
mkl                       2021.2.0           h06a4308_296
mkl-service               2.3.0            py38h27cfd23_1
mkl_fft                   1.3.0            py38h42c9631_2
mkl_random                1.2.1            py38ha9443f7_2
mypy-extensions           0.4.3                    pypi_0    pypi
nbclassic                 0.3.1              pyhd8ed1ab_1    conda-forge
nbclient                  0.5.3              pyhd8ed1ab_0    conda-forge
nbconvert                 6.0.7            py38h578d9bd_3    conda-forge
nbformat                  5.1.3              pyhd8ed1ab_0    conda-forge
ncurses                   6.2                  he6710b0_1
nest-asyncio              1.5.1              pyhd8ed1ab_0    conda-forge
nettle                    3.7.2                hbbd107a_1
networkx                  2.5.1                    pypi_0    pypi
ninja                     1.10.2               hff7bd54_1
notebook                  6.4.0              pyha770c72_0    conda-forge
numba                     0.53.1                   pypi_0    pypi
numpy                     1.20.2           py38h2d18471_0
numpy-base                1.20.2           py38hfae3a4d_0
olefile                   0.46                       py_0
openh264                  2.1.0                hd408876_0
openpyxl                  3.0.7                    pypi_0    pypi
openssl                   1.1.1k               h7f98852_0    conda-forge
packaging                 20.9               pyh44b312d_0    conda-forge
pandas                    1.2.4                    pypi_0    pypi
pandoc                    2.14.0.1             h7f98852_0    conda-forge
pandocfilters             1.4.2                      py_1    conda-forge
parso                     0.8.2              pyhd8ed1ab_0    conda-forge
pcre                      8.44                 he1b5a44_0    conda-forge
pexpect                   4.8.0              pyh9f0ad1d_2    conda-forge
pickleshare               0.7.5                   py_1003    conda-forge
pillow                    8.2.0            py38he98fc37_0
pip                       21.1.1           py38h06a4308_0
pixman                    0.40.0               h36c2ea0_0    conda-forge
prometheus_client         0.11.0             pyhd8ed1ab_0    conda-forge
prompt-toolkit            3.0.18             pyha770c72_0    conda-forge
pthread-stubs             0.4               h36c2ea0_1001    conda-forge
ptyprocess                0.7.0              pyhd3deb0d_0    conda-forge
pycairo                   1.20.1           py38hf61ee4a_0    conda-forge
pycparser                 2.20               pyh9f0ad1d_2    conda-forge
pygments                  2.9.0              pyhd8ed1ab_0    conda-forge
pyopenssl                 20.0.1             pyhd8ed1ab_0    conda-forge
pyparsing                 2.4.7              pyh9f0ad1d_0    conda-forge
pyrsistent                0.17.3           py38h497a2fe_2    conda-forge
pysocks                   1.7.1            py38h578d9bd_3    conda-forge
python                    3.8.10               hdb3f193_7
python-dateutil           2.8.1                      py_0    conda-forge
python-louvain            0.15                     pypi_0    pypi
python_abi                3.8                      1_cp38    conda-forge
pytorch                   1.8.1           py3.8_cuda10.1_cudnn7.6.3_0    pytorch
pytz                      2021.1             pyhd8ed1ab_0    conda-forge
pyzmq                     22.1.0           py38h2035c66_0    conda-forge
rdflib                    5.0.0                    pypi_0    pypi
rdkit                     2021.03.2        py38hf8acc3d_0    conda-forge
readline                  8.1                  h27cfd23_0
reportlab                 3.5.67           py38hadf75a6_0    conda-forge
requests                  2.25.1             pyhd3deb0d_0    conda-forge
scikit-learn              0.24.2                   pypi_0    pypi
scipy                     1.6.3                    pypi_0    pypi
send2trash                1.5.0                      py_0    conda-forge
setuptools                52.0.0           py38h06a4308_0
shap                      0.39.0                   pypi_0    pypi
six                       1.15.0           py38h06a4308_0
slicer                    0.0.7                    pypi_0    pypi
sniffio                   1.2.0            py38h578d9bd_1    conda-forge
sqlalchemy                1.4.17           py38h497a2fe_0    conda-forge
sqlite                    3.35.4               hdfb4753_0
tabulate                  0.8.9                    pypi_0    pypi
terminado                 0.10.0           py38h578d9bd_0    conda-forge
testpath                  0.5.0              pyhd8ed1ab_0    conda-forge
threadpoolctl             2.1.0                    pypi_0    pypi
tk                        8.6.10               hbc83047_0
torch-cluster             1.5.9                    pypi_0    pypi
torch-geometric           1.7.0                    pypi_0    pypi
torch-scatter             2.0.6                    pypi_0    pypi
torch-sparse              0.6.9                    pypi_0    pypi
torch-spline-conv         1.2.1                    pypi_0    pypi
torchaudio                0.8.1                      py38    pytorch
torchvision               0.9.1                py38_cu101    pytorch
tornado                   6.1              py38h497a2fe_1    conda-forge
tqdm                      4.61.0                   pypi_0    pypi
traitlets                 5.0.5                      py_0    conda-forge
typed-argument-parser     1.5.4                    pypi_0    pypi
typing-inspect            0.7.0                    pypi_0    pypi
typing_extensions         3.7.4.3            pyha847dfd_0
tzdata                    2020f                h52ac0ba_0
urllib3                   1.26.5             pyhd8ed1ab_0    conda-forge
wcwidth                   0.2.5              pyh9f0ad1d_2    conda-forge
webencodings              0.5.1                      py_1    conda-forge
websocket-client          0.57.0           py38h578d9bd_4    conda-forge
wheel                     0.36.2             pyhd3eb1b0_0
xorg-kbproto              1.0.7             h7f98852_1002    conda-forge
xorg-libice               1.0.10               h7f98852_0    conda-forge
xorg-libsm                1.2.3             hd9c2040_1000    conda-forge
xorg-libx11               1.7.2                h7f98852_0    conda-forge
xorg-libxau               1.0.9                h7f98852_0    conda-forge
xorg-libxdmcp             1.1.3                h7f98852_0    conda-forge
xorg-libxext              1.3.4                h7f98852_1    conda-forge
xorg-libxrender           0.9.10            h7f98852_1003    conda-forge
xorg-renderproto          0.11.1            h7f98852_1002    conda-forge
xorg-xextproto            7.3.0             h7f98852_1002    conda-forge
xorg-xproto               7.0.31            h7f98852_1007    conda-forge
xz                        5.2.5                h7b6447c_0
zeromq                    4.3.4                h9c3ff4c_0    conda-forge
zipp                      3.4.1              pyhd8ed1ab_0    conda-forge
zlib                      1.2.11               h7b6447c_3
zstd                      1.4.9                haebb681_0

Thanks in advanced!
@Nate1874 Nate1874 added the xgraph Interpretability of Graph Neural Networks label Jun 10, 2021
@Nate1874
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@Oceanusity Please follow up this.

@Oceanusity
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Hi, thank you for reporting this bug and posting the details. I have fixed the device problem now.

@gui-li
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gui-li commented Jun 11, 2021

@Oceanusity Thanks for your work.

@gui-li gui-li closed this as completed Jun 11, 2021
@Oceanusity Oceanusity mentioned this issue Jul 27, 2021
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