Update testdata.py

testdata.py

@@ -105,12 +105,14 @@ class TestData(datasets.GeneratorBasedBuilder):
         
         for img_file in glob(os.path.join(image_dir, "*.png")):
             
-            d = { image_dir: annotation_dir, "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")
 
             annotation = defaultdict(list)
             with open(gt_path, 'r') as f: