diff --git a/TR/TrialRecommend/Main.py b/TR/TrialRecommend/Main.py
index 966e0ba..07d057c 100644
--- a/TR/TrialRecommend/Main.py
+++ b/TR/TrialRecommend/Main.py
@@ -561,6 +561,7 @@ class Mainpage:
         os.rename(temp.name, 'collections/{}.csv'.format(self.user))
 
 
+
 if __name__ == '__main__':
     root = tk.Tk()
     Mainpage(master=root,name='Null')