minor

tainstr · May 6, 2016 · 3656024 · 3656024
1 parent 7bd6bc3
commit 3656024
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/misura/canon/option/proxy.py b/misura/canon/option/proxy.py
@@ -206,7 +206,8 @@ def gete(self, key):
     def sete(self, key, val):
         if not val.has_key('priority') or val['priority']==-1:
             priorities = [opt.get('priority',0) for opt in self.desc.itervalues()]
-            val['priority'] = max(priorities) + 1
+            if len(priorities):
+                val['priority'] = max(priorities) + 1
         self.desc[key] = val
 
     def add_option(self, *args, **kwargs):