fixed: ci pipeline for venv

Author: amyssnippet

.github/workflows/CI.yml

@@ -36,11 +36,28 @@ jobs:
         python-version: ['3.10', '3.11']
     steps:
       - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Create virtualenv
+        run: |
+          python -m venv .venv
+        shell: bash
+      - name: Activate virtualenv (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          echo "${{ github.workspace }}/.venv/bin" >> $GITHUB_PATH
+          echo "VIRTUAL_ENV=${{ github.workspace }}/.venv" >> $GITHUB_ENV
+        shell: bash
+      - name: Activate virtualenv (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          echo "${{ github.workspace }}\.venv\Scripts" >> $env:GITHUB_PATH
+          echo "VIRTUAL_ENV=${{ github.workspace }}\.venv" >> $env:GITHUB_ENV
+        shell: pwsh
       - name: Install build tools
-        run: pip install maturin pytest
+        run: pip install maturin pytest numpy
       - name: Run Rust Tests
         run: cargo test --no-default-features -v
       - name: Build and Install (Dev)