Update app.py

app.py

@@ -2,6 +2,7 @@ import gradio as gr
 import matplotlib.pyplot as plt
 import keras
 from matplotlib.colors import LinearSegmentedColormap
+from tensorflow.keras.preprocessing.image import img_to_array
 from PIL import Image
 import io
 import glob
@@ -212,12 +213,12 @@ with gr.Blocks(title="Brain MRI Tumor Classifier", theme=gr.themes.Default()) as
             gr.Markdown("### ⚙️ Sensitivity Analysis Settings")
 
             patch_size_slider = gr.Slider(
-                minimum=10, maximum=50, value=25, step=5,
+                minimum=10, maximum=50, value=40, step=5,
                 label="Patch Size",
                 info="Larger = faster but less detailed"
             )
             stride_slider = gr.Slider(
-                minimum=5, maximum=20, value=5, step=5,
+                minimum=5, maximum=20, value=15, step=5,
                 label="Stride",
                 info="Larger = faster but less detailed"
             )