fix(cli): fix #266

Signed-off-by: Chris Snow <[email protected]>

Author: snowch

hpecp/cli_utils.py

@@ -76,6 +76,9 @@ def _dump_row(data, stream):
     def dump(data):
         """Dump the python object as text."""  # noqa: D202
 
+        if data is None:
+            return str("")
+
         class MyStringIO(StringIO):
             def write(self, b):
                 if six.PY2: