Fix dataset path construction in transfer_learning.ipynb tutorial

Author: athulya-anil

site/en/tutorials/images/transfer_learning.ipynb

@@ -176,7 +176,8 @@
       "source": [
         "_URL = 'https://storage.googleapis.com/mledu-datasets/cats_and_dogs_filtered.zip'\n",
         "path_to_zip = tf.keras.utils.get_file('cats_and_dogs.zip', origin=_URL, extract=True)\n",
-        "PATH = os.path.join(os.path.dirname(path_to_zip), 'cats_and_dogs_filtered')\n",
+        "PATH = os.path.join(path_to_zip, 'cats_and_dogs_filtered')\n",
+        "\n",
         "\n",
         "train_dir = os.path.join(PATH, 'train')\n",
         "validation_dir = os.path.join(PATH, 'validation')\n",