Update mcp/pubmed.py

mcp/pubmed.py

@@ -60,7 +60,11 @@ async def fetch_pubmed(query: str, max_results: int = 5):
             # Robustly extract summary/abstract
             abstract = art.get("Abstract", {}).get("AbstractText", "")
             if isinstance(abstract, list):
-                summary = " ".join(abstract)
+                # List of dicts or strings
+                summary = " ".join(
+                    a.get("#text", str(a)) if isinstance(a, dict) else str(a)
+                    for a in abstract
+                )
             elif isinstance(abstract, dict):
                 summary = abstract.get("#text", "")
             else: