fix the bug which can terminate the app when class-type is null

1 files changed, 1 insertions, 1 deletions

diff --git a/cscore b/cscore
index 9bb37d5b4a31..9303e96e7292 100755
--- a/cscore
+++ b/cscore
@@ -110,7 +110,7 @@ class Score:
         cur_total_grade = 0.0
         for course in cur_tmp:
             cur_credit += float(course[0])
-            if course[1] != "":
+            if course[1].strip() != "":
                 cur_total_grade += float(course[0]) * float(course[1])
         if(cur_credit == 0):
             return