Update app.py

app.py

@@ -11,7 +11,7 @@ def preprocess_image(image):
     image = tf.image.resize(image, (28, 28))  # Resize to 28x28
     print(f"Image shape after resizing: {image.shape}")
     
-    # Convert the image to grayscale (1 channel)
+    # Convert the image to grayscale (1 channel) directly
     image = tf.image.rgb_to_grayscale(image)  # Convert RGB to grayscale
     
     print(f"Image shape after converting to grayscale: {image.shape}")