Update app.py

app.py

@@ -140,12 +140,14 @@ with tab2:
 with tab3:
     st.write("Upload an Editing Frequency CSV or enter manually:")
     ef_file = st.file_uploader("Upload EF CSV", type=["csv"], key="ef")
-
+    
     if ef_file:
-        ef_df = pd.read_csv(ef_file)
-        ef_df = ef_df.loc[:, ~ef_df.columns.str.contains('^Unnamed')]
+        # Read CSV without headers and assign mutation site headers
+        ef_df = pd.read_csv(ef_file, header=None)
+        ef_df.columns = [str(site) for site in mutation_site_headers]
     else:
-        ef_df = pd.DataFrame(columns=[str(k) for k in thresholds.index])
+        ef_df = pd.DataFrame(columns=[str(site) for site in mutation_site_headers])
+
 
     edited_df = st.data_editor(ef_df, num_rows="dynamic")