Fix pip build

Signed-off-by: MengqingCao <cmq0113@163.com>

Author: MengqingCao

.github/workflows/accuracy_test.yaml

@@ -175,7 +175,7 @@ jobs:
         working-directory: ./vllm-ascend
         run: |
           pip install -r requirements-dev.txt
-          pip install -e .
+          pip install -e . --no-build-isolation
 
       - name: Install lm-eval, ray, and datasets
         run: |

.github/workflows/vllm_ascend_test.yaml

@@ -166,7 +166,7 @@ jobs:
       - name: Install vllm-project/vllm-ascend
         run: |
           pip install -r requirements-dev.txt
-          pip install -v -e .
+          pip install -v -e . --no-build-isolation
 
       - name: Run vllm-project/vllm-ascend test for V1 Engine
         env:

pyproject.toml

@@ -12,6 +12,7 @@ requires = [
     "scipy",
     "setuptools>=64",
     "setuptools-scm>=8",
+    "torch-npu==2.5.1.post1.dev20250528",
     "torch>=2.5.1",
     "torchvision<0.21.0",
     "wheel",