Remove log for expr_eval on on_change

tryton/gui/window/view_form/model/record.py

@@ -319,9 +319,6 @@ class ModelRecord(SignalEvent):
             try:
                 args[arg] = self.expr_eval(arg)
             except:
-                log = logging.getLogger('record')
-                log.error("Unable to eval %s for field %s (record: %s@%s)"% \
-                              (arg, fieldname, self.id, self.resource))
                 args[arg] = False
         ids = [self.id]
         ctx = rpc.CONTEXT.copy()
@@ -361,10 +358,6 @@ class ModelRecord(SignalEvent):
                 try:
                     args[arg] = self.expr_eval(arg)
                 except:
-                    log = logging.getLogger('record')
-                    log.error("Unable to eval %s for field %s (record: %s@%s)"%\
-                                  (arg, field_name, self.id, self.resource))
-
                     args[arg] = False
             ids = [self.id]
             ctx = rpc.CONTEXT.copy()