add finetune config

paddle_hub/finetune/config.py

+#   Copyright (c) 2019  PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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 collections
+
+FinetuneConfig = collections.namedtuple('FinetuneConfig', [
+    'stat_interval', 'eval_interval', 'use_cuda', 'learning_rate',
+    'weight_decay', 'in_tokens', 'epoch', 'batch_size', 'max_seq_len',
+    'warmup_proportion'
+])