Update testdata.py

testdata.py

@@ -105,7 +105,7 @@ class TestData(datasets.GeneratorBasedBuilder):
         
         for img_file in glob(os.path.join(image_dir, "*.png")):
             
-            d = { image_dir: annot_dir, "png": "txt"}
+            d = { image_dir: annotation_dir, "png": "txt"}
             gt_path = img_file
             for i, j in d.items():
                 gt_path = gt_path.replace(i, j)