Update app.py

app.py

@@ -107,7 +107,10 @@ class Chatbot():
         print('Creating dataframe')
         filtered_pdf= []
         for row in pdf:
-            if len(row['text']) < 30:
+            # This will use the get method to safely access the 'text' key in the row dictionary, 
+            # and if the key is not present, it will use an empty string as a default value. This 
+            # should prevent a KeyError from occurring.
+            if len(row.get('text', '')) < 30:
                 continue
             filtered_pdf.append(row)
         df = pd.DataFrame(filtered_pdf)