edit flake8 workflow

Author: dy-waltergrantward

.github/workflows/lint.yml

@@ -1,11 +1,18 @@
-steps:
-  - uses: actions/checkout@v1
-  - uses: ricardochaves/[email protected]
-    with:
-      python-root-list: "."
-      use-flake8: true
-      use-pylint: false
-      use-pycodestyle: false
-      use-black: false
-      use-mypy: false
-      use-isort: false
+name: "flake8"
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: ricardochaves/[email protected]
+        with:
+          python-root-list: "."
+          use-flake8: true
+          use-pylint: false
+          use-pycodestyle: false
+          use-black: false
+          use-mypy: false
+          use-isort: false