Update app.py

app.py

@@ -61,10 +61,13 @@ A machine learning pipeline for predicting disease-causing genes post-genome-wid
 collect_genes = lambda x : [str(i) for i in re.split(",", x) if i != ""]
 
 input_genes = st.text_input("List of HGNC Genes (enter comma separated)")
-gene_list = st.write(collect_genes(input_genes))
-
-df = df_total[df_total.index.isin(gene_list)]
-st.dataframe(df)
+#gene_list = st.write(collect_genes(input_genes))
+gene_list = collect_genes(input_genes)
+if gene_list:
+    df = df_total[df_total.index.isin(gene_list)]
+    st.dataframe(df)
+else:
+    pass
 
 st.markdown("""
 Total Gene Prioritisation Results: