fixed toml-to-req (#830)

.github/workflows/pytest-py39-mindeps.yml

@@ -23,7 +23,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install toml-to-requirements
-        toml-to-req --toml-file pyproject.toml --include-optional --optional-lists dev
+        toml-to-req --toml-file pyproject.toml --optional-lists dev
         sed -i -E 's/>=/==/' requirements.txt
     - name: Install dependencies
       run: |