debug for infer

ppcls/engine/engine.py

@@ -43,6 +43,8 @@ class Engine(object):
         assert mode in ["train", "eval", "infer", "export"]
         self.mode = mode
         self.config = config
+        self.eval_mode = self.config["Global"].get("eval_mode",
+                                                   "classification")
 
         # init logger
         log_file = os.path.join(self.config['Global']['output_dir'],