change try/except in python2/3 compatibility to to_text()

rq/job.py

@@ -514,16 +514,13 @@ class Job(object):
         if self.func_name is None:
             return None
 
-        # Python 2/3 compatibility
-        try:
-            arg_list = [repr(arg).decode('utf-8') for arg in self.args]
-        except AttributeError:
-            arg_list = [repr(arg) for arg in self.args]
+        arg_list = [as_text(repr(arg)) for arg in self.args]
 
         kwargs = ['{0}={1!r}'.format(k, v) for k, v in self.kwargs.items()]
         # Sort here because python 3.3 & 3.4 makes different call_string
         arg_list += sorted(kwargs)
         args = ', '.join(arg_list)
+
         return '%s(%s)' % (self.func_name, args)
 
     def cleanup(self, ttl=None, pipeline=None):

tests/test_job.py

@@ -31,12 +31,12 @@ class TestJob(RQTestCase):
             kwargs=dict(snowman="☃", null=None),
         )
 
-        try:
-            # Python 2
-            test_string = u"myfunc(12, u'\\u2603', null=None, snowman=u'\\u2603')".decode('utf-8')
-        except AttributeError:
+        if not PY2:
             # Python 3
             test_string = "myfunc(12, '☃', null=None, snowman='☃')"
+        else:
+            # Python 2
+            test_string = u"myfunc(12, u'\\u2603', null=None, snowman=u'\\u2603')".decode('utf-8')
 
         self.assertEquals(
             job.description,