ignore empty

9 years ago · 2f8517190c
1 changed files with 2 additions and 1 deletions
--- a/shadowsocks/common.py
+++ b/shadowsocks/common.py
@ -297,7 +297,8 @@ class PortRange(object):
            try:
                int_range = item.split('-')
                if len(int_range) == 1:
-                    self.range.add(int(item))
+                    if item:
+                        self.range.add(int(item))
                elif len(int_range) == 2:
                    int_range[0] = int(int_range[0])
                    int_range[1] = int(int_range[1])