[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/installer/__main__.py

@@ -32,7 +32,7 @@ def _get_main_parser() -> argparse.ArgumentParser:
         help="override prefix to install packages to",
     )
     parser.add_argument(
-        '--executable',
+        "--executable",
         metavar="path",
         default=sys.executable,
         type=str,

tests/test_main.py

@@ -58,7 +58,15 @@ def test_main_prefix(fancy_wheel, tmp_path):
     destdir = tmp_path / "dest"
 
     main(
-        [str(fancy_wheel), "-d", str(destdir), "-p", "/foo", "--executable", "/monty/python3.x"],
+        [
+            str(fancy_wheel),
+            "-d",
+            str(destdir),
+            "-p",
+            "/foo",
+            "--executable",
+            "/monty/python3.x",
+        ],
         "python -m installer",
     )
 
@@ -79,10 +87,12 @@ def test_main_prefix(fancy_wheel, tmp_path):
     installed_scripts = destdir.rglob("bin/*")
 
     for f in installed_scripts:
-        with f.open('rb') as fp:
+        with f.open("rb") as fp:
             shebang = fp.readline()
-            assert shebang == b'#!/monty/python3.x\n' or \
-                shebang == b'#! /monty/python3.x\n'
+            assert (
+                shebang == b"#!/monty/python3.x\n"
+                or shebang == b"#! /monty/python3.x\n"
+            )
 
 
 def test_main_no_pyc(fancy_wheel, tmp_path):