Fix syntax error.

api/server/api_types.py

@@ -238,7 +238,7 @@ class ViewInfo(DataVarsSerializer):
     groups = Array(GroupField)
 
     def __init__(self,datavars=None,step=None,expert=None,allsteps=False,
-                 breif=None,groups=[]):
+                 brief=None,groups=[]):
         super(ViewInfo,self).__init__()
         if datavars:
             self.groups = []