Corretto typo.

diff --git a/mlmanager.py b/mlmanager.py
index 7314066..b882a6d 100644
--- a/mlmanager.py
+++ b/mlmanager.py
@@ -382,9 +382,9 @@ class Download():
     """Return group"""
     return self._group

-  def get_username(self):
+  def get_user(self):
     """Return duration"""
-    return self._username
+    return self._owner

   def get_duration(self):
     """