More ruff tweaks

Author: pamelafox

.github/workflows/python.yaml

@@ -21,7 +21,8 @@ jobs:
             pip install -r requirements-dev.txt
         - name: Lint with ruff
           run: |
-            ruff . --select=E9,F63,F7,F82 --show-source
+            ruff . --select=E9,F63,F7,F82
+            ruff . --exit-zero
         - name: Check pyupgrade
           run: pyupgrade --py310-plus *.py tests/*.py
         - name: Check formatting with black

pyproject.toml

@@ -16,3 +16,4 @@ profile = "black"
 [tool.ruff]
 line-length = 100
 ignore = ["D203"]
+show-source = true