fix img_cls bugs (#519)

paddlehub/dataset/food101.py

@@ -25,11 +25,11 @@ from paddlehub.dataset.base_cv_dataset import BaseCVDataset
 
 class Food101Dataset(BaseCVDataset):
     def __init__(self):
-        dataset_path = os.path.join(hub.common.dir.DATA_HOME, "food-101",
-                                    "images")
-        base_path = self._download_dataset(
+        dataset_path = os.path.join(hub.common.dir.DATA_HOME, "food-101")
+        dataset_path = self._download_dataset(
             dataset_path=dataset_path,
             url="https://bj.bcebos.com/paddlehub-dataset/Food101.tar.gz")
+        base_path = os.path.join(dataset_path, "images")
         super(Food101Dataset, self).__init__(
             base_path=base_path,
             train_list_file="train_list.txt",

paddlehub/reader/cv_reader.py

@@ -163,7 +163,7 @@ class ImageClassificationReader(BaseReader):
                 for image_path, label in data:
                     image = preprocess(image_path)
                     images.append(image.astype('float32'))
-                    labels.append([int(label)])
+                    labels.append([np.int64(label)])
 
                     if len(images) == batch_size:
                         if return_list:

paddlehub/version.py

@@ -13,5 +13,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """ PaddleHub version string """
-hub_version = "1.6.0"
+hub_version = "1.6.2"
 module_proto_version = "1.0.0"