style: comment out first validate for checking

map_nav_src/reverie/main_nav_obj.py

@@ -112,6 +112,7 @@ def train(args, train_env, val_envs, aug_env=None, rank=-1):
             )
        
     # first evaluation
+    '''
     if args.eval_first:
         loss_str = "validation before training"
         for env_name, env in val_envs.items():
@@ -135,6 +136,7 @@ def train(args, train_env, val_envs, aug_env=None, rank=-1):
         write_to_record_file(
             '\nListener training starts, start iteration: %s' % str(start_iter), record_file
         )
+    '''
 
     best_val = {'val_unseen': {"spl": 0., "sr": 0., "state":""}}