Update app.py

app.py

@@ -161,7 +161,7 @@ def read_and_preprocess_dicom(file_path: str):
             np.uint8)
     image_pil = Image.fromarray(pixel_array)
     #convert to cv2 format
-    image = np.array(image_pil)[:, :, ::-1].copy()
+    image = np.array(image_pil)[:, ::-1].copy()
     
     # Collect metadata in dictionary format and convert to DataFrame
     metadata_dict = {elem.name: str(elem.value) for elem in dicom_data.iterall() if elem.name != 'Pixel Data'}