fix the pip install grpcio

Author: haifeng-jin

.github/workflows/actions.yml

@@ -30,7 +30,8 @@ jobs:
         key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}
     - name: Install dependencies
       run: |
-        pip install torch grpcio protobuf --index-url https://download.pytorch.org/whl/cpu
+          pip install torch --index-url https://download.pytorch.org/whl/cpu
+          pip install grpcio protobuf 
         pip install -e ".[tests]" --progress-bar off
     - name: Test with pytest
       run: |
@@ -60,7 +61,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools
-          pip install torch grpcio protobuf --index-url https://download.pytorch.org/whl/cpu
+          pip install torch --index-url https://download.pytorch.org/whl/cpu
+          pip install grpcio protobuf 
           pip install -e .
           pip install -r docs/requirements.txt
       - name: Build the docs