Update app.py

app.py

@@ -146,7 +146,7 @@ def test(input_json):
     #if df_dm_transport is None:
     matrix_transport = inputs['input']["transportMatrix"]  
     
-    if df_lu_filtered is None or df_lu_filtered.empty::
+    if df_lu_filtered is None or df_lu_filtered.empty:
         landuses = inputs['input']["landuse_areas"]    
         df_landuses = pd.DataFrame(landuses).T
         df_landuses = df_landuses.round(0).astype(int)