fix pascal loading error

keras_cv/src/datasets/pascal_voc/segmentation.py

@@ -40,7 +40,7 @@ class and instance segmentation masks.
 import os.path
 import random
 import tarfile
-import xml
+from xml.etree import ElementTree
 
 import numpy as np
 import tensorflow as tf
@@ -152,18 +152,21 @@ def _download_data_file(
     if not local_dir_path:
         # download to ~/.keras/datasets/fname
         cache_dir = os.path.join(os.path.expanduser("~"), ".keras/datasets")
-        fname = os.path.join(cache_dir, os.path.basename(data_url))
+        fname = os.path.join(os.path.basename(data_url))
     else:
         # Make sure the directory exists
         if not os.path.exists(local_dir_path):
             os.makedirs(local_dir_path, exist_ok=True)
         # download to local_dir_path/fname
-        fname = os.path.join(local_dir_path, os.path.basename(data_url))
+        fname = os.path.join(os.path.basename(data_url))
+        cache_dir = local_dir_path
     data_directory = os.path.join(os.path.dirname(fname), extracted_dir)
     if not override_extract and os.path.exists(data_directory):
         logging.info("data directory %s already exist", data_directory)
         return data_directory
-    data_file_path = keras.utils.get_file(fname=fname, origin=data_url)
+    data_file_path = keras.utils.get_file(
+        fname=fname, origin=data_url, cache_dir=cache_dir
+    )
     # Extra the data into the same directory as the tar file.
     data_directory = os.path.dirname(data_file_path)
     logging.info("Extract data into %s", data_directory)
@@ -180,7 +183,7 @@ def _parse_annotation_data(annotation_file_path):
 
     """
     with tf.io.gfile.GFile(annotation_file_path, "r") as f:
-        root = xml.etree.ElementTree.parse(f).getroot()
+        root = ElementTree.parse(f).getroot()
 
         size = root.find("size")
         width = int(size.find("width").text)