fix the hange issue if checkpoint_dir is specified but not exists and…

… update version to 0.1.1 (PaddlePaddle#27)

* modify error message

* modify version to 0.1.1

plsc/entry.py

@@ -566,6 +566,12 @@ def load_checkpoint(self,
 
         # Preporcess distributed parameters.
         file_name = os.path.join(checkpoint_dir, '.lock')
+        meta_file = os.path.join(checkpoint_dir, 'meta.json')
+        if not os.path.exists(meta_file):
+            logger.error("Please make sure the checkpoint dir {} exists, and "
+                         "parameters in that dir are validating.".format(
+                             checkpoint_dir))
+            exit()
         distributed = self.loss_type in ["dist_softmax", "dist_arcface"]
         if load_for_train and self.trainer_id == 0 and distributed:
             self.process_distributed_params(checkpoint_dir)

plsc/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """ PLSC version string """
-plsc_version = "0.0.0"
+plsc_version = "0.1.1"