SSDM-13068 : Trying to fix obis tests

obis/src/python/obis/dm/commands/openbis_command.py

@@ -133,11 +133,12 @@ class OpenbisCommand(object):
         """ Checks for valid session and asks user for password
         if login is needed. """
         user = self.user()
-        if self.openbis_token():
-            try:
-                self.openbis.set_token(self.openbis_token())
-            except ValueError:
-                pass
+        try:
+            self.openbis.set_token(self.openbis_token())
+        except ValueError:
+            pass
+        except KeyError:
+            pass
         if self.openbis.is_session_active():
             if self.openbis.token.startswith(user):
                 return CommandResult(returncode=0, output="")