Update app.py

app.py

@@ -14,7 +14,6 @@ def start_haystack():
         split_by="word",
         split_length=100,
         split_respect_sentence_boundary=True,
-        split_overlap=0
     )
     summarizer = TransformersSummarizer(model_name_or_path="google/pegasus-newsroom")
     return document_store, summarizer, preprocessor
@@ -24,9 +23,10 @@ def pdf_to_document_store(pdf_files):
     converter = PDFToTextConverter(remove_numeric_tables=True, valid_languages=["en"])
     documents = []
     for pdf in pdf_files:
-        doc = converter.convert(file_path=pdf.name, meta=None)
+        doc = converter.convert(file_path=pdf.name, meta=None)[0]
+        preprocessed_doc=preprocessor.process([doc])
         documents.append(doc)
-    document_store.write_documents(documents)
+    document_store.write_documents(preprocessed_doc)
     st.write('Document count: ', document_store.get_document_count())