Merge pull request #1641 from BrianSantivanez/issue1640

When `slcli event-log` not return any event log the command display an error

Author: allmightyspiff

SoftLayer/CLI/event_log/get.py

@@ -47,7 +47,7 @@ def cli(env, date_min, date_max, obj_event, obj_id, obj_type, utc_offset, metada
     row_count = 0
     click.secho(", ".join(columns))
     for log in logs:
-        if log is None:
+        if isinstance(log, str) or log is None:
             click.secho('No logs available for filter %s.' % request_filter, fg='red')
             return