fix bug

app.py

@@ -1477,9 +1477,9 @@ def predict_properties(
                         'Unit': 'pH'
                     })
                     hydro = analysis['hydrophobicity']
-                    if hydro <= -4.5:
+                    if hydro <= -0.5:
                         hydro_label = "Hydrophilic"
-                    elif hydro >= 4.5:
+                    elif hydro >= 0.5:
                         hydro_label = "Hydrophobic"
                     else:
                         hydro_label = "Intermediate"