apply patch from @AA-Turner

Signed-off-by: William Woodruff <[email protected]>

Author: woodruffw

pep_sphinx_extensions/generate_rss.py

@@ -53,22 +53,17 @@ def pep_abstract(document: nodes.document) -> str:
     """Return the first paragraph of the PEP abstract.
     If not found, return the first paragraph of the introduction.
     """
-    introduction = ""
     for node in document.findall(nodes.section):
         title_node = node.next_node(nodes.title)
         if title_node is None:
             continue
 
-        para_node = None
-        if title_node.astext() == "Abstract":
+        if title_node.astext() in {"Abstract", "Introduction"}:
             para_node = node.next_node(nodes.paragraph)
-        elif title_node.astext() == "Introduction":
-            para_node = node.next_node(nodes.paragraph)
-
-        if para_node:
             introduction = para_node.astext().strip().replace("\n", " ")
+            return introduction
 
-    return introduction
+    return ""
 
 
 def _generate_items(doctree_dir: Path):