Update app.py

app.py

@@ -41,16 +41,14 @@ def build_vectorstore_from_dataframe(df: pd.DataFrame):
     df.fillna("", inplace=True)
     df['combined_text'] = df.apply(lambda row: ' | '.join([str(cell) for cell in row]), axis=1)
 
-    docs_loader = DataFrameLoader(
-        df[['combined_text']].rename(columns={"combined_text": "text"}),
-        page_content_column="text",
-        metadata_columns=["combined_text"]
-    )
+
+    docs_loader = DataFrameLoader(df[['combined_text']], page_content_column='combined_text')
     documents = docs_loader.load()
 
     for i, doc in enumerate(documents):
         doc.metadata["source"] = f"Row {i+1}"
 
+
     splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=150)
     split_docs = splitter.split_documents(documents)