[glib/ebassi/fix-python-style-check] ci: Conform to Python's coding style

[Emmanuele Bassi <ebassi src gnome org>]

commit 8f975d07f39807373808b245c6b99ada9b0a7d06
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Sep 25 18:26:31 2022 +0100

    ci: Conform to Python's coding style
    
    The check-missing-install-tag.py script breaks PEP8, and the style check
    CI job complains about it.

 .gitlab-ci/check-missing-install-tag.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/.gitlab-ci/check-missing-install-tag.py b/.gitlab-ci/check-missing-install-tag.py
index 7081bc7465..dd122e8e52 100755
--- a/.gitlab-ci/check-missing-install-tag.py
+++ b/.gitlab-ci/check-missing-install-tag.py
@@ -8,15 +8,18 @@ missing installation tag.
 import argparse
 from pathlib import Path
 
+
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument('builddir', type=Path)
+    parser.add_argument("builddir", type=Path)
     args = parser.parse_args()
 
-    logfile = args.builddir / 'meson-logs' / 'meson-log.txt'
-    with logfile.open(encoding='utf-8') as f:
-        if 'Failed to guess install tag' in f.read():
-            print(f'Some files are missing install_tag, see {logfile} for details.')
+    logfile = args.builddir / "meson-logs" / "meson-log.txt"
+    with logfile.open(encoding="utf-8") as f:
+        if "Failed to guess install tag" in f.read():
+            print(
+                f"Some files are missing install_tag, see {logfile} for details."  # no-qa
+            )
             return 1
     return 0