use local variable scope and fixed minor docstring formatting

Author: jgbradley1

test/fakedata_generation.py

@@ -176,12 +176,12 @@ def vggface2_root():
     """
     Generates a dataset with the following folder structure and returns the path root:
     <root>
-    └── vggface2
-        ├── bb_landmark.tar.gz ('bb_landmark' when uncompressed)
-        ├── vggface2_train.tar.gz ('train' when uncompressed)
-        ├── vggface2_test.tar.gz ('test' when uncompressed)
-        ├── train_list.txt
-        └── test_list.txt
+        └── vggface2
+            ├── bb_landmark.tar.gz ('bb_landmark' when uncompressed)
+            ├── vggface2_train.tar.gz ('train' when uncompressed)
+            ├── vggface2_test.tar.gz ('test' when uncompressed)
+            ├── train_list.txt
+            └── test_list.txt
 
     The dataset consist of 1 image in the train set and 1 image in the test set.
     """
@@ -232,8 +232,8 @@ def _make_test_archive(root):
             _make_tar(test_archive, top_level_dir, arcname='test', compress=True)
 
     def _make_bb_landmark_archive(root):
-        train_bb_contents = 'NAME_ID,X,Y,W,H\n"n000001/0001_01",161,140,224,324'
-        test_bb_contents = 'NAME_ID,X,Y,W,H\n"n000001/0001_01",161,140,224,324'
+        train_bbox_contents = 'NAME_ID,X,Y,W,H\n"n000001/0001_01",161,140,224,324'
+        test_bbox_contents = 'NAME_ID,X,Y,W,H\n"n000001/0001_01",161,140,224,324'
         train_landmark_contents = ('NAME_ID,P1X,P1Y,P2X,P2Y,P3X,P3Y,P4X,P4Y,P5X,P5Y\n'
                                    '"n000001/0001_01",75.81253,110.2077,103.1778,104.6074,'
                                    '90.06353,133.3624,85.39182,149.4176,114.9009,144.9259')
@@ -248,12 +248,12 @@ def _make_bb_landmark_archive(root):
             # bbox training file
             bbox_file = os.path.join(extracted_dir, "loose_bb_train.csv")
             with open(bbox_file, "w") as csv_file:
-                csv_file.write(train_bb_contents)
+                csv_file.write(train_bbox_contents)
 
             # bbox testing file
             bbox_file = os.path.join(extracted_dir, "loose_bb_test.csv")
             with open(bbox_file, "w") as csv_file:
-                csv_file.write(test_bb_contents)
+                csv_file.write(test_bbox_contents)
 
             # landmark training file
             landmark_file = os.path.join(extracted_dir, "loose_landmark_train.csv")

torchvision/datasets/vggface2.py

@@ -95,7 +95,7 @@ def __init__(
             raise RuntimeError("target_transform is specified but target_type is empty")
 
         image_list_file = "train_list.txt" if self.split == "train" else "test_list.txt"
-        self.image_list_file = os.path.join(self.root, image_list_file)
+        image_list_file = os.path.join(self.root, image_list_file)
 
         # prepare dataset
         for (filename, _, extracted_dir) in self.file_list:
@@ -113,7 +113,7 @@ def __init__(
                            pandas.read_csv(fn("loose_landmark_test.csv"), index_col=0)]
         self.landmarks = pandas.concat(landmark_frames)
 
-        with open(self.image_list_file, 'r') as f:
+        with open(image_list_file, 'r') as f:
             for img_file in f:
                 img_file = img_file.strip()
                 img_filename, ext = os.path.splitext(img_file)  # e.g. ["n004332/0317_01", "jpg"]