Add black to pre-commit (#3192)

.pre-commit-config.yaml

@@ -46,5 +46,16 @@ repos:
         pass_filenames: false
         exclude: target
 
+  # Black
+  - repo: https://github.com/psf/black
+    rev: 23.1.0
+    hooks:
+      - id: black
+        exclude: |
+          (?x)^(
+            crates/ruff/resources/.*|
+            crates/ruff_python_formatter/resources/.*
+          )$
+
 ci:
   skip: [cargo-fmt, clippy, dev-generate-all]

scripts/generate_known_standard_library.py

@@ -42,7 +42,7 @@ pub static KNOWN_STANDARD_LIBRARY: Lazy<FxHashMap<(u32, u32), FxHashSet<&'static
         FxHashMap::from_iter([
 """,
     )
-    for (major, minor) in VERSIONS:
+    for major, minor in VERSIONS:
         version = f"{major}.{minor}"
         url = URL.format(version)
         invdata = fetch_inventory(FakeApp(), "", url)