fix

deepspeech/io/collator.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import io
-import time
 from collections import namedtuple
 from typing import Optional
 

deepspeech/io/dataset.py

@@ -11,7 +11,6 @@
 # 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 io
 from typing import Optional
 
 from paddle.io import Dataset