Fix issue with csv files

app.py

@@ -132,7 +132,7 @@ if uploaded_file or hub_dataset:
     with st.spinner("Loading dataset..."):
         if uploaded_file:
             df = uploaded_file_to_dataframe(uploaded_file)
-            df["perplexity"] = df[text_column].map(lambda x: model.get_perplexity(x[text_column]))
+            df["perplexity"] = df[text_column].map(kenlm_model.get_perplexity)
         else:
             df = hub_dataset_to_dataframe(hub_dataset, hub_dataset_config, hub_dataset_split, sample, text_column, kenlm_model, seed=SEED)
     plot = generate_plot(df, text_column, "perplexity", sample, dimensionality_reduction_function, model)