Add comma to prevent unwrapping.

Author: knotapun

docs/samples/filmfestival-sql.py

@@ -88,7 +88,7 @@
     film.find(None, "id", "filmyear").add_text(str(year))  # put year
 
     # the actors reside in their own table - find the ones for this film title
-    cursor_casts.execute(select_casts, tuple(title))  # execute cursor
+    cursor_casts.execute(select_casts, (title,))  # execute cursor
     casts = cursor_casts.fetchall()  # read actors for the film
     # each actor name appears in its own tuple, so extract it from there
     film.find(None, "id", "cast").add_text("\n".join([c[0] for c in casts]))