[fix] fix python3 comp., metric ordering

loadimpactcli/metric_commands.py

@@ -14,6 +14,7 @@
 See the License for the specific language governing permissions and
 limitations under the License.
 """
+from operator import attrgetter
 
 import click
 
@@ -51,8 +52,8 @@ def list_metrics(test_run_id, metric_types):
         result_ids = client.list_test_run_result_ids(test_run_id, data={'types': types})
 
         click.echo('NAME:\tTYPE:')
-        for result_id in result_ids:
-            for key, _ in result_id.ids.iteritems():
+        for result_id in sorted(result_ids, key=attrgetter('type')):
+            for key, _ in sorted(result_id.ids.items()):
                 click.echo('{0}\t{1}'.format(key, result_id.results_type_code_to_text(result_id.type)))
     except ConnectionError:
         click.echo("Cannot connect to Load impact API")