Update testdata.py

testdata.py

@@ -102,17 +102,11 @@ class TestData(datasets.GeneratorBasedBuilder):
         files = []
 
         idx = 0
-        
         for img_file in glob(os.path.join(image_dir, "*.png")):
+            img_relative_file = os.path.relpath(img_file, image_dir)
+            gt_relative_path = img_relative_file.replace("png", "txt")
             
-            d = { image_dir: "", ".png": ""}
-            gt_path = img_file
-            for i, j in d.items():
-                gt_path = gt_path.replace(i, j)
-            faces = []
-            plates = []
-            
-            gt_path = os.path.join(annotation_dir, gt_path, ".txt")
+            gt_path = os.path.join(annotation_dir, gt_relative_path)
 
             annotation = defaultdict(list)
             with open(gt_path, 'r') as f: