Fix: Deal with missing version property when the feed can't be loaded at all

Author: kevinrenskers

example/uv.lock

@@ -1,6 +1,6 @@
 [project]
 name = "django-rss-filter"
-version = "0.4.0"
+version = "0.5.0"
 description = "Filter public RSS feeds, remove articles that contain certain keywords or categories."
 authors = [
     {name = "Kevin Renskers", email = "[email protected]"},

pyproject.toml

@@ -4,8 +4,9 @@
 
 def validate_feed(feed_url: str) -> bool:
     try:
-        result = feedparser.parse(feed_url)
-        if not result.version:
+        feed = feedparser.parse(feed_url)
+        version = feed.get("version", "")
+        if not version:
             return False
         return True
     except ValueError: