From e0d6a259ae75ba7fdf4a37f8560a8097a1081f9d Mon Sep 17 00:00:00 2001
From: xuyige <ygxu18@fudan.edu.cn>
Date: Wed, 23 Jan 2019 17:09:28 +0800
Subject: [PATCH] skip training while n_epoch in trainer is not greater than 0

---
 fastNLP/core/trainer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fastNLP/core/trainer.py b/fastNLP/core/trainer.py
index 8112af88..ed2f366b 100644
--- a/fastNLP/core/trainer.py
+++ b/fastNLP/core/trainer.py
@@ -181,6 +181,10 @@ class Trainer(object):
 
         """
         results = {}
+        if self.n_epochs <= 0:
+            print(f"training epoch is {self.n_epochs}, nothing was done.")
+            results['seconds'] = 0.
+            return results
         try:
             if torch.cuda.is_available() and self.use_cuda:
                 self.model = self.model.cuda()