perf: use list comprehension

Author: G-Rath

scripts/generate_osv_advisories.py

@@ -152,13 +152,17 @@ def parse_version_constraint(
       warnings.append(
         'the = operator is not real, and will be treated as an exact version'
       )
-    for component in [
-      part.first_component or '',
-      part.second_component or '',
-      part.third_component or '',
-    ]:
-      if len(component) > 1 and component.startswith('0'):
-        warnings.append('components should not be prefixed with leading zeros')
+    warnings.extend(
+      [
+        'components should not be prefixed with leading zeros'
+        for component in [
+          part.first_component or '',
+          part.second_component or '',
+          part.third_component or '',
+        ]
+        if len(component) > 1 and component.startswith('0')
+      ]
+    )
 
   # https://getcomposer.org/doc/articles/versions.md#wildcard-version-range-
   if parts[0].second_component == '*' or parts[0].third_component == '*':