diff --git a/app.py b/app.py
index 85a7a17..966d388 100644
--- a/app.py
+++ b/app.py
@@ -81,9 +81,19 @@ def get_predicted_coordinates(coordinates: list, width: int, height: int) -> lis
 
     # when testing, can visualize with the method expo_save_bodypose in openpose_gen.py
 
-    predicted = pred.predict_pose_keypoints(np.array(coordinates).reshape(1, 18, 3))
-    predicted[:, :, 3] = 1
-    return predicted.flatten().tolist()
+    #try:
+    #    predicted = pred.predict_pose_keypoints(np.array(coordinates, dtype=np.float32).copy().reshape(1, 18, 3))
+    #    # add confidence score
+    #    predicted = np.concatenate((predicted, np.ones((1, 18, 1))), axis=2)
+    #    print(predicted.flatten().tolist())
+    #    print('done')
+    #    return predicted.flatten().tolist()
+    #except Exception as e:
+    #    print(e)
+    #    pass
+
+    #predicted[:, :, 3] = 1
+    #return predicted.flatten().tolist()
 
     # for now, just mirror the coordinates and add some random deviation
     predicted_coordinates = mirror_coordinates(coordinates, width)
@@ -96,9 +106,10 @@ def get_predicted_coordinates(coordinates: list, width: int, height: int) -> lis
     return predicted_coordinates
 
 def mirror_coordinates(coordinates: list, width: int) -> list:
+    mirrored = coordinates.copy()
     for i in range(0, len(coordinates), 3):
-        coordinates[i] = width - coordinates[i]
-    return coordinates
+        mirrored[i] = width - coordinates[i]
+    return mirrored
 
 def expo_fencer_prompt(openpose_image_path, save_dir, batch, step):
 
@@ -136,29 +147,37 @@ def expo_clear_images():
 @app.route('/expo_postprocess', methods=['POST'])
 async def expo_postprocess():
     global on_postprocessing
-    if on_postprocessing:
-        return jsonify({"status": "error", "message": "Postprocessing in progress"}), 503
-    
-    on_postprocessing = True
-    print("Postprocessing")
+    try:
+        if on_postprocessing:
+            return jsonify({"status": "error", "message": "Postprocessing in progress"}), 503
+        
+        on_postprocessing = True
+        print("pending postprocessing")
 
-    # Wait until the directories have the same files or timeout
-    if not await wait_for_files_to_match(expo_openpose_dir, expo_raw_sd_dir):
-        print("Timeout reached, proceeding with postprocessing")
+        # Wait until the directories have the same files or timeout
+        if not await wait_for_files_to_match(expo_openpose_dir, expo_raw_sd_dir):
+            print("Timeout reached, proceeding with postprocessing")
 
-    # Check if directories exist and are not empty
-    if not os.path.exists(expo_openpose_dir) or not os.listdir(expo_openpose_dir):
+        # Check if directories exist and are not empty
+        if not os.path.exists(expo_openpose_dir) or not os.listdir(expo_openpose_dir):
+            on_postprocessing = False
+            return jsonify({"status": "error", "message": "No images to process in expo_openpose_dir"}), 404
+        if not os.path.exists(expo_raw_sd_dir) or not os.listdir(expo_raw_sd_dir):
+            on_postprocessing = False
+            return jsonify({"status": "error", "message": "No images to process in expo_raw_sd_dir"}), 404
+        
+        print("Postprocessing")
+
+        await asyncio.to_thread(expo_postprocess_main)
+        return jsonify({"status": "success", "message": "Postprocessing completed"}), 200
+    except Exception as e:
         on_postprocessing = False
-        return jsonify({"status": "error", "message": "No images to process in expo_openpose_dir"}), 404
-    if not os.path.exists(expo_raw_sd_dir) or not os.listdir(expo_raw_sd_dir):
+        print(e)
+        return jsonify({"status": "error", "message": "An error occurred during postprocessing"}), 500
+    finally:
         on_postprocessing = False
-        return jsonify({"status": "error", "message": "No images to process in expo_raw_sd_dir"}), 404
-    
-    await asyncio.to_thread(expo_postprocess_main)
-    await asyncio.to_thread(expo_clear_images)
-    on_postprocessing = False
-    print("Postprocessing completed")
-    return jsonify({"status": "success", "message": "Postprocessing completed"}), 200
+        await asyncio.to_thread(expo_clear_images)
+        print("Postprocessing completed")
 
 
 async def wait_for_files_to_match(dir1: str, dir2: str, timeout: int = 180, interval: int = 1) -> bool:
@@ -208,6 +227,10 @@ def gen_group_pic():
         canvas_size = data['canvas_size']
         pid = data['pid']
         base_image = base64.b64decode(data['base_image'])
+        # resize base image to 1280x720
+        #base_image = cv2.imdecode(np.frombuffer(base_image, np.uint8), cv2.IMREAD_COLOR)
+        #base_image = cv2.resize(base_image, (1280, 720))
+        #base_image = cv2.imencode('.png', base_image)[1].tobytes()
 
         if not coordinates_list or not canvas_size or not base_image or not pid:
             return jsonify({"status": "error", "message": "Missing data"}), 422