Update testdata.py

testdata.py

@@ -102,14 +102,14 @@ 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")
+        for gt_file in glob(os.path.join(annotation_dir, "*.txt")):
+            gt_relative_file = os.path.relpath(gt_file, annotation_dir)
+            img_relative_path = gt_relative_file.replace(".txt", ".png")
             
-            gt_path = os.path.join(annotation_dir, gt_relative_path)
+            img_path = os.path.join(image_dir, img_relative_path)
 
             annotation = defaultdict(list)
-            with open(gt_path, 'r') as f:
+            with open(gt_file, 'r') as f:
                 line = f.readline().strip()
                 while line:
                     assert re.match(r'^\d( [\d\.]+){4,5}$', line), 'Incorrect line: %s' % line
@@ -127,7 +127,7 @@ class TestData(datasets.GeneratorBasedBuilder):
                     else:
                         plates([x1, y1, x2, y2])
 
-            yield idx, {"image": str(img_file), "faces": faces, "plates": plates}
+            yield idx, {"image": str(img_path), "faces": faces, "plates": plates}
             
             idx += 1