Fix Python 3.12-only f-string syntax, compile-check 3.9 floor in CI

Author: chris-ritsen

.github/workflows/release.yml

@@ -10,6 +10,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+      - uses: astral-sh/setup-uv@v7
+      - run: uv run --python 3.9 --no-project python -m compileall -q packages/netaudio/src/netaudio
       - run: |
           tag="${GITHUB_REF_NAME#v}"
           version="$(python3 -c 'import tomllib; print(tomllib.load(open("pyproject.toml", "rb"))["project"]["version"])')"

packages/netaudio/src/netaudio/commands/provenance.py

@@ -392,9 +392,10 @@ def _audit_single_bundle(bundle_path: Path) -> bool:
         "system": "SYSTEM",
     }
 
-    print(f"\n{("-" if app_settings.no_color else "─") * 72}")
+    rule = ("-" if app_settings.no_color else "─") * 72
+    print(f"\n{rule}")
     print("TIMELINE")
-    print(f"{("-" if app_settings.no_color else "─") * 72}")
+    print(rule)
 
     all_events = []
 
@@ -492,9 +493,10 @@ def _audit_single_bundle(bundle_path: Path) -> bool:
             if payload:
                 print(_format_audit_packet(payload))
 
-    print(f"\n{("-" if app_settings.no_color else "─") * 72}")
+    rule = ("-" if app_settings.no_color else "─") * 72
+    print(f"\n{rule}")
     print("VERIFICATION SUMMARY")
-    print(f"{("-" if app_settings.no_color else "─") * 72}")
+    print(rule)
 
     hypotheses = [m for m in markers if m.get("marker_type") == "hypothesis"]
     observations = [m for m in markers if m.get("marker_type") == "observation"]