Fixed bug to check if 'use_wandb' and 'use_visualdl' flags are addded or not

tools/program.py

@@ -560,12 +560,12 @@ def preprocess(is_train=False):
 
     loggers = []
 
-    if config['Global']['use_visualdl']:
+    if 'use_visualdl' in config['Global'] and config['Global']['use_visualdl']:
         save_model_dir = config['Global']['save_model_dir']
         vdl_writer_path = '{}/vdl/'.format(save_model_dir)
         log_writer = VDLLogger(save_model_dir)
         loggers.append(log_writer)
-    if config['Global']['use_wandb'] or 'wandb' in config:
+    if ('use_wandb' in config['Global'] and config['Global']['use_wandb']) or 'wandb' in config:
         save_dir = config['Global']['save_model_dir']
         wandb_writer_path = "{}/wandb".format(save_dir)
         if "wandb" in config: