When I built the pytorch patchand plugin, I got the following errors but no errors reported before them:

Error message when building the patch:

(base) sora@fengkeyleaf-rog:~/pytorch$ git apply ~/switchml/dev_root/build/switchml_pytorch.patch
/home/sora/switchml/dev_root/build/switchml_pytorch.patch:50: trailing whitespace.
#The following lines should be filled automatically using the pytorch patch makefile to
error: patch failed: torch/csrc/distributed/c10d/init.cpp:1
error: torch/csrc/distributed/c10d/init.cpp: patch does not apply
error: patch failed: torch/lib/c10d/CMakeLists.txt:1
error: torch/lib/c10d/CMakeLists.txt: patch does not apply
error: patch failed: torch/lib/c10d/ProcessGroupGloo.cpp:1
error: torch/lib/c10d/ProcessGroupGloo.cpp: patch does not apply

Error message when building the plugin:

(/home/sora/switchml/dev_root/frameworks_integration/pytorch_plugin/path_to_env) sora@fengkeyleaf-rog:~/switchml/dev_root/frameworks_integration/pytorch_plugin$ python setup.py install
Traceback (most recent call last):
File "setup.py", line 37, in
from torch.utils import cpp_extension
File "/home/sora/switchml/dev_root/frameworks_integration/pytorch_plugin/path_to_env/lib/python3.8/site-packages/torch/utils/cpp_extension.py", line 23, in
from pkg_resources import packaging # type: ignore[attr-defined]
ImportError: cannot import name 'packaging' from 'pkg_resources' (/home/sora/switchml/dev_root/frameworks_integration/pytorch_plugin/path_to_env/lib/python3.8/site-packages/pkg_resources/init.py)

I wonder if there are some ways to solve the problem or anyone else has the same error before? By the way, my OS info:

No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal