add logging

flash/core/data/utils.py

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
+import logging
 import os.path
 import zipfile
 from typing import Any, Type
@@ -42,8 +42,7 @@ def download_file(url: str, path: str, verbose: bool = False) -> None:
         chunk_size = 1024
         num_bars = int(file_size / chunk_size)
         if verbose:
-            print(dict(file_size=file_size))
-            print(dict(num_bars=num_bars))
+            logging.info(f'file size: {dict(file_size=file_size)} \n # bars: {dict(num_bars=num_bars)}')
         with open(local_filename, 'wb') as fp:
             for chunk in tq(
                 r.iter_content(chunk_size=chunk_size),