Update app.py

app.py

@@ -11,7 +11,7 @@ scaler = MinMaxScaler()
 def extract_features(sequence):
     """Calculate AAC, Dipeptide Composition, and normalize features."""
     # Calculate Amino Acid Composition (AAC) and convert to array
-    aac = np.array(list(AAComposition.CalculateAADipeptideComposition(sequence)))
+    aac = np.array(list(AAComposition.CalculateAADipeptideComposition(sequence)), dtype=float)
     
     # Normalize using the pre-trained scaler (Ensure the scaler is loaded correctly)
     normalized_features = scaler.fit_transform([aac])  # Don't use fit_transform(), only transform()