Update main.yml

Author: johnzhou721

.github/workflows/main.yml

@@ -84,22 +84,6 @@ jobs:
       - name: Configure poetry
         run: poetry config virtualenvs.in-project true
 
-      - name: Setup cache
-        uses: actions/cache@v4
-        id: cache
-        with:
-          path: .venv
-          key: venv-${{ runner.os }}-${{ matrix.qt-version }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
-
-      - name: Valdate cache
-        if: steps.cache.outputs.cache-hit == 'true'
-        run: |
-          # `timeout` is not available on macos, so we define a custom function.
-          [ "$(command -v timeout)" ] || function timeout() { perl -e 'alarm shift; exec @ARGV' "$@"; }
-
-          # Using `timeout` is a safeguard against the Poetry command hanging for some reason.
-          timeout 10s poetry run pip --version || rm -rf .venv
-
       - name: Check lock file
         run: poetry check --lock
 
@@ -110,7 +94,7 @@ jobs:
       #   run: poetry run mypy
 
       - name: Install Qt
-        run: poetry run pip install --ignore-installed ${{ matrix.qt-version }}
+        run: poetry run pip install ${{ matrix.qt-version }}
 
       - name: Install libxcb dependencies
         if: ${{ matrix.os == 'ubuntu' }}