Update app.py

app.py

@@ -105,7 +105,7 @@ def search_pubmed(query, retmax=5, mindate=None, maxdate=None, datetype="pdat"):
     if maxdate:
         search_kwargs["maxdate"] = maxdate
     
-    handle = Entrez.esearch(search_kwargs)
+    handle = Entrez.esearch(**search_kwargs)
     record = Entrez.read(handle)
     handle.close()
     idlist = record['IdList']