return dict, not dataframe

flask_be/engine/basic_queries.py

@@ -162,7 +162,7 @@ class basicQueries:
         contexts = self.findcontexts (textlist)
         bibliocontexts = self.findbib (contexts)
         highlights = self.highlight(bibliocontexts)
-        return highlights
+        return highlights.to_dict(orient='records')
     
     #%% funzione reperimento e raffinamento contesti singoli
     def singlecontexts(self, textlist, index, parole, periodi, brani):