Fix bug in osmclient when invoking refactored get_key_val_from_pkg

Change-Id: I7ae088c64d6e5315488b79b01c418860acdd833c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osmclient/sol005/package.py b/osmclient/sol005/package.py
index f0a9e89..de604c3 100644
--- a/osmclient/sol005/package.py
+++ b/osmclient/sol005/package.py
@@ -34,7 +34,7 @@
         self._http = http
 
     def get_key_val_from_pkg(self, descriptor_file):
-        utils.get_key_val_from_pkg(descriptor_file)
+        return utils.get_key_val_from_pkg(descriptor_file)
 
     def upload(self, filename):
         pkg_type = utils.get_key_val_from_pkg(filename)
diff --git a/osmclient/v1/package.py b/osmclient/v1/package.py
index 49527c2..b7a2d97 100644
--- a/osmclient/v1/package.py
+++ b/osmclient/v1/package.py
@@ -50,7 +50,7 @@
                                                  get_method(pkg_type['name'])))
 
     def get_key_val_from_pkg(self, descriptor_file):
-        utils.get_key_val_from_pkg(descriptor_file)
+        return utils.get_key_val_from_pkg(descriptor_file)
 
     def wait_for_upload(self, filename):
         """wait(block) for an upload to succeed.