Update app.py

app.py

@@ -64,8 +64,11 @@ input_genes = st.text_input("List of HGNC Genes (enter comma separated)")
 #gene_list = st.write(collect_genes(input_genes))
 gene_list = collect_genes(input_genes)
 
-df = df_total[df_total.index.isin(gene_list)]
-st.dataframe(df)
+if gene_list:
+    df = df_total[df_total.index.isin(gene_list)]
+    st.dataframe(df)
+else:
+    pass
 
 st.markdown("""
 Total Gene Prioritisation Results: