FIX: fixing github actions

.github/workflows/test.yaml

@@ -38,7 +38,7 @@ jobs:
         pip install tk cytoolz
     - name: Install package requirements.txt
       run: |
-        if [ -f requirements-legacy.txt ]; then pip install -r requirements-legacy.txt; fi
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
         pip install -e .
     - name: Lint with flake8
       run: |