working with list of PDFs

app.py

@@ -19,7 +19,10 @@ preprocessor = PreProcessor(
 def pdf_to_document_store(pdf_files):
     document_store.delete_documents()
     converter = PDFToTextConverter(remove_numeric_tables=True, valid_languages=["en"])
-    documents = [Document.from_dict(converter.convert(file_path=pdf.name, meta=None) for pdf in pdf_files)]
+    documents = []
+    for pdf in pdf_files:
+        docs = converter.convert(file_path=pdf.name, meta=None)
+        documents.append(docs)
     preprocessed_docs = preprocessor.process(documents)
     document_store.write_documents(preprocessed_docs)
     return None
@@ -28,5 +31,5 @@ uploaded_files = st.file_uploader("Choose PDF files", accept_multiple_files=True
 
 if uploaded_files is not None:
     pdf_to_document_store(uploaded_files)
-st.write(document_store.get_document_count)
+st.write(document_store.get_document_count())