直到上周三，我可以毫无问题地导入火炬。从昨天开始，我收到以下错误：
>>> import torch
No sympy found
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\__init__.py", line 1465, in <module>
from . import _meta_registrations
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_meta_registrations.py", line 7, in <module>
from torch._decomp import _add_op_to_registry, global_decomposition_table, meta_table
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_decomp\__init__.py", line 169, in <module>
import torch._decomp.decompositions
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_decomp\decompositions.py", line 10, in <module>
import torch._prims as prims
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_prims\__init__.py", line 33, in <module>
from torch._subclasses.fake_tensor import FakeTensor, FakeTensorMode
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_subclasses\__init__.py", line 3, in <module>
from torch._subclasses.fake_tensor import (
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_subclasses\fake_tensor.py", line 13, in <module>
from torch._guards import Source
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_guards.py", line 78, in <module>
class ShapeGuard(NamedTuple):
File "C:\Users\Marcus Willems\AppData\Roaming\Python\Python39\site-packages\torch\_guards.py", line 79, in ShapeGuard
expr: sympy.Expr
NameError: name 'sympy' is not defined
安装 sympy 后，我得到以下输出。
Collecting sympy==1.11
Downloading sympy-1.11-py3-none-any.whl (6.5 MB)
---------------------------------------- 6.5/6.5 MB 21.8 MB/s eta 0:00:00
Collecting mpmath>=0.19
Using cached mpmath-1.3.0-py3-none-any.whl (536 kB)
Installing collected packages: mpmath, sympy
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
torch 2.0.1 requires filelock, which is not installed.
flair 0.12.2 requires boto3, which is not installed.
flair 0.12.2 requires gensim>=3.8.0, which is not installed.
flair 0.12.2 requires lxml, which is not installed.
torchvision 0.13.1 requires torch==1.12.1, but you have torch 2.0.1 which is incompatible.
torchaudio 0.12.1 requires torch==1.12.1, but you have torch 2.0.1 which is incompatible.
Successfully installed mpmath-1.3.0 sympy-1.11
此外，我遇到了 here 中提到的 Windows 错误，并且创建新环境无效。
我收到连接到 torch 2.0.1 的错误，但是，我没有在我的系统上安装它。我的conda列表如下：
#
# Name Version Build Channel
altair 4.1.0 pypi_0 pypi
ansicon 1.89.0 pypi_0 pypi
appdirs 1.4.4 pyhd3eb1b0_0
argon2-cffi 21.1.0 pypi_0 pypi
argon2-cffi-bindings 21.2.0 py39h2bbff1b_0
astor 0.8.1 pypi_0 pypi
async_generator 1.10 pyhd3eb1b0_0
attrs 21.4.0 pyhd3eb1b0_0
backcall 0.2.0 pyhd3eb1b0_0
base58 2.1.1 pypi_0 pypi
beautifulsoup4 4.11.1 py39haa95532_0
black 22.1.0 pypi_0 pypi
blas 1.0 mkl
bleach 4.1.0 pyhd3eb1b0_0
blessed 1.19.1 pypi_0 pypi
blinker 1.4 pypi_0 pypi
blis 0.7.7 pypi_0 pypi
brotlipy 0.7.0 py39h2bbff1b_1003
ca-certificates 2022.07.19 haa95532_0
cachetools 4.2.4 pypi_0 pypi
catalogue 2.0.7 pypi_0 pypi
certifi 2022.5.18.1 pypi_0 pypi
cffi 1.15.0 py39h2bbff1b_1
charset-normalizer 2.0.12 pyhd8ed1ab_0 conda-forge
click 8.1.3 pypi_0 pypi
click-log 0.4.0 pypi_0 pypi
colorama 0.4.4 pyhd3eb1b0_0
commonmark 0.9.1 pypi_0 pypi
cpuonly 2.0 0 pytorch
cryptography 37.0.1 py39h21b164f_0
cycler 0.11.0 pypi_0 pypi
cymem 2.0.6 pypi_0 pypi
de-core-news-sm 3.3.0 pypi_0 pypi
debugpy 1.5.1 py39hd77b12b_0
decorator 4.4.2 pyhd3eb1b0_0
defusedxml 0.7.1 pyhd3eb1b0_0
distinctiveness 0.14.6 pypi_0 pypi
en-core-web-lg 3.3.0 pypi_0 pypi
en-core-web-sm 3.3.0 pypi_0 pypi
enlighten 1.10.2 pypi_0 pypi
entrypoints 0.3 pypi_0 pypi
fasttext 0.9.2 pypi_0 pypi
fonttools 4.28.3 pypi_0 pypi
freetype 2.10.4 hd328e21_0
future 0.18.2 pypi_0 pypi
ghp-import 2.0.2 pypi_0 pypi
giflib 5.2.1 h8cc25b3_3
gitdb 4.0.9 pypi_0 pypi
gitpython 3.1.24 pypi_0 pypi
greenlet 1.1.2 pypi_0 pypi
humanfriendly 10.0 pypi_0 pypi
icc_rt 2022.1.0 h6049295_2
idna 3.3 pyhd3eb1b0_0
importlib-metadata 4.8.2 py39haa95532_0
importlib_metadata 4.8.2 hd3eb1b0_0
intel-openmp 2021.4.0 haa95532_3556
ipykernel 6.4.1 py39haa95532_1
ipython 7.29.0 py39hd4e2768_0
ipython_genutils 0.2.0 pyhd3eb1b0_1
ipywidgets 7.6.5 pypi_0 pypi
jedi 0.18.0 py39haa95532_1
jinja2 3.1.2 pypi_0 pypi
jinxed 1.2.0 pypi_0 pypi
joblib 1.1.0 pypi_0 pypi
jpeg 9e h2bbff1b_1
jsonpickle 2.1.0 pypi_0 pypi
jsonschema 4.6.0 pypi_0 pypi
jupyter 1.0.0 pypi_0 pypi
jupyter-console 6.4.0 pypi_0 pypi
jupyter_client 6.1.7 py_0
jupyter_core 4.9.1 py39haa95532_0
jupyterlab-widgets 1.0.2 pypi_0 pypi
jupyterlab_pygments 0.1.2 py_0
kiwisolver 1.3.2 pypi_0 pypi
langcodes 3.3.0 pypi_0 pypi
lerc 3.0 hd77b12b_0
libdeflate 1.8 h2bbff1b_5
libpff-python-ratom 20220304 pypi_0 pypi
libpng 1.6.37 h2a8f88b_0
libratom 0.6.0 pypi_0 pypi
libtiff 4.4.0 h8a3f274_2
libuv 1.40.0 he774522_0
libwebp 1.2.4 hbc33d0d_1
libwebp-base 1.2.4 h2bbff1b_1
lz4-c 1.9.3 h2bbff1b_1
markdown 3.3.6 pypi_0 pypi
markupsafe 2.1.1 py39h2bbff1b_0
matplotlib 3.5.0 pypi_0 pypi
matplotlib-inline 0.1.2 pyhd3eb1b0_2
mergedeep 1.3.4 pypi_0 pypi
mistune 0.8.4 py39h2bbff1b_1000
mkdocs 1.2.3 pypi_0 pypi
mkdocs-material 8.1.8 pypi_0 pypi
mkdocs-material-extensions 1.0.3 pypi_0 pypi
mkl 2021.4.0 haa95532_640
mkl-service 2.4.0 py39h2bbff1b_0
mkl_fft 1.3.1 py39h277e83a_0
mkl_random 1.2.2 py39hf11a4ad_0
mknotebooks 0.7.1 pypi_0 pypi
more-itertools 8.12.0 pypi_0 pypi
murmurhash 1.0.7 pypi_0 pypi
mypy-extensions 0.4.3 pypi_0 pypi
nb_conda_kernels 2.3.1 py39haa95532_0
nbclient 0.5.9 pypi_0 pypi
nbconvert 6.3.0 pypi_0 pypi
nbformat 5.1.3 pyhd3eb1b0_0
nest-asyncio 1.5.4 pypi_0 pypi
nltk 3.7 pypi_0 pypi
notebook 6.4.6 py39haa95532_0
numpy 1.22.4 pypi_0 pypi
nxviz 0.7.3 pypi_0 pypi
openssl 1.1.1q h2bbff1b_0
packaging 21.3 pyhd3eb1b0_0
palettable 3.3.0 pypi_0 pypi
pandas 1.3.4 pypi_0 pypi
pandocfilters 1.5.0 pyhd3eb1b0_0
parso 0.8.0 py_0
pathspec 0.9.0 pypi_0 pypi
pathy 0.6.1 pypi_0 pypi
pbr 5.9.0 pypi_0 pypi
pickleshare 0.7.5 pyhd3eb1b0_1003
pillow 8.4.0 pypi_0 pypi
pip 22.1 pypi_0 pypi
platformdirs 2.5.1 pypi_0 pypi
plotly 5.4.0 pypi_0 pypi
pooch 1.4.0 pyhd3eb1b0_0
prefixed 0.3.2 pypi_0 pypi
preshed 3.0.6 pypi_0 pypi
prometheus_client 0.12.0 pyhd3eb1b0_0
prompt-toolkit 3.0.8 py_0
protobuf 3.19.1 pypi_0 pypi
psutil 5.9.1 pypi_0 pypi
pyarrow 6.0.1 pypi_0 pypi
pybind11 2.10.4 pypi_0 pypi
pycparser 2.21 pyhd3eb1b0_0
pydantic 1.8.2 pypi_0 pypi
pydeck 0.7.1 pypi_0 pypi
pyg 2.1.0 py39_torch_1.12.0_cpu pyg
pygments 2.11.2 pyhd3eb1b0_0
pygod 0.3.1 pypi_0 pypi
pymdown-extensions 9.1 pypi_0 pypi
pympler 0.9 pypi_0 pypi
pyopenssl 22.0.0 pyhd3eb1b0_0
pyparsing 3.0.9 py39haa95532_0
pyreadline3 3.4.1 pypi_0 pypi
pyrsistent 0.18.1 pypi_0 pypi
pysimplegui 4.55.1 pypi_0 pypi
pysocks 1.7.1 py39haa95532_0
python 3.9.7 h6244533_1
python-dateutil 2.8.2 pyhd3eb1b0_0
python-dotenv 0.19.2 pypi_0 pypi
python-louvain 0.16 pypi_0 pypi
pytorch 1.12.1 py3.9_cpu_0 pytorch
pytorch-cluster 1.6.0 py39_torch_1.12.0_cpu pyg
pytorch-mutex 1.0 cpu pytorch
pytorch-scatter 2.0.9 py39_torch_1.12.0_cpu pyg
pytorch-sparse 0.6.15 py39_torch_1.12.0_cpu pyg
pytorch-spline-conv 1.2.1 py39_torch_1.12.0_cpu pyg
pytz 2021.3 pypi_0 pypi
pytz-deprecation-shim 0.1.0.post0 pypi_0 pypi
pyvis 0.1.9 pypi_0 pypi
pywin32 305 py39h2bbff1b_0
pywinpty 2.0.10 py39h5da7b33_0
pyyaml 6.0 pypi_0 pypi
pyyaml-env-tag 0.1 pypi_0 pypi
pyzmq 22.3.0 py39hd77b12b_2
qtconsole 5.2.1 pypi_0 pypi
qtpy 1.11.3 pypi_0 pypi
regex 2022.4.24 pypi_0 pypi
requests 2.27.1 pypi_0 pypi
rich 12.5.1 pypi_0 pypi
ruptures 1.1.6 pypi_0 pypi
scikit-learn 1.0.2 pypi_0 pypi
scikit-network 0.24.0 pypi_0 pypi
scipy 1.7.3 pypi_0 pypi
seaborn 0.11.2 pypi_0 pypi
semver 2.13.0 pypi_0 pypi
send2trash 1.8.0 pyhd3eb1b0_1
setuptools 62.2.0 pypi_0 pypi
setuptools-scm 6.3.2 pypi_0 pypi
simplejson 3.17.6 pypi_0 pypi
six 1.16.0 pyhd3eb1b0_1
smart-open 5.2.1 pypi_0 pypi
smmap 5.0.0 pypi_0 pypi
soupsieve 2.3.2.post1 pypi_0 pypi
spacy 3.3.0 pypi_0 pypi
spacy-legacy 3.0.9 pypi_0 pypi
spacy-loggers 1.0.2 pypi_0 pypi
sqlalchemy 1.4.37 pypi_0 pypi
sqlite 3.36.0 h2bbff1b_0
srsly 2.4.3 pypi_0 pypi
stqdm 0.0.4 pypi_0 pypi
streamlit 1.11.1 pypi_0 pypi
streamlit-aggrid 0.2.3 pypi_0 pypi
streamlit-option-menu 0.3.2 pypi_0 pypi
striprtf 0.0.20 pypi_0 pypi
tabulate 0.8.9 pypi_0 pypi
tenacity 8.0.1 pypi_0 pypi
terminado 0.12.1 pypi_0 pypi
testpath 0.5.0 pyhd3eb1b0_0
thinc 8.0.17 pypi_0 pypi
threadpoolctl 3.0.0 pypi_0 pypi
tk 8.6.12 h2bbff1b_0
toml 0.10.2 pypi_0 pypi
tomli 1.2.2 pypi_0 pypi
toolz 0.11.2 pypi_0 pypi
torchaudio 0.12.1 py39_cpu pytorch
torchvision 0.13.1 py39_cpu pytorch
tornado 6.1 py39h2bbff1b_0
tqdm 4.64.0 pypi_0 pypi
traitlets 5.0.5 pyhd3eb1b0_0
treelib 1.6.1 pypi_0 pypi
typer 0.4.1 pypi_0 pypi
typing-extensions 4.2.0 pypi_0 pypi
tzdata 2021.5 pypi_0 pypi
tzlocal 4.1 pypi_0 pypi
unidecode 1.2.0 pyhd3eb1b0_0
urllib3 1.26.9 pypi_0 pypi
validators 0.18.2 pypi_0 pypi
vc 14.2 h21ff451_1
vs2015_runtime 14.27.29016 h5e58377_2
wasabi 0.9.1 pypi_0 pypi
watchdog 2.1.6 pypi_0 pypi
wcwidth 0.2.5 pyhd3eb1b0_0
webencodings 0.5.1 py39haa95532_1
wheel 0.37.1 pyhd3eb1b0_0
widgetsnbextension 3.5.2 pypi_0 pypi
win_inet_pton 1.1.0 py39haa95532_0
winpty 0.4.3 4
xz 5.2.6 h8cc25b3_0
zipp 3.6.0 pyhd3eb1b0_0
zlib 1.2.12 h8cc25b3_3
zstd 1.5.2 h19a0ad4_0
我正在使用 Windows 10，Conda 版本 23.1.0。如果您需要其他信息，请告诉我，我很乐意为您提供。
我也从项目的.yml文件新建了一个环境，还是报错
谢谢@aaron，这很有帮助。我遇到了与 here 所述相同的错误，但那里给出的解决方案也对我有用。现在，我仍然面临错误，现在关于
torch_geometricpip install torch_geometric==2.1.0>>> import torch_geometric
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\site-packages\torch_geometric\__init__.py", line 4, in <module>
import torch_geometric.data
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\site-packages\torch_geometric\data\__init__.py", line 1, in <module>
from .data import Data
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\site-packages\torch_geometric\data\data.py", line 20, in <module>
from torch_sparse import SparseTensor
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\site-packages\torch_sparse\__init__.py", line 19, in <module>
torch.ops.load_library(spec.origin)
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\site-packages\torch\_ops.py", line 255, in load_library
ctypes.CDLL(path)
File "C:\Users\Marcus Willems\.conda\envs\frauddetection\lib\ctypes\__init__.py", line 382, in __init__
self._handle = _dlopen(self._name, mode)
OSError: [WinError 127] The specified procedure could not be found