Remove trailing whitespaces in slapos.core code

slapos/grid/slapgrid.py

@@ -368,7 +368,9 @@ class Slapgrid(object):
                shacache_key_file=None,
                shadir_cert_file=None,
                shadir_key_file=None,
-               develop=False):
+               develop=False,
+               software_release_filter_list=None,
+               computer_partition_filter_list=None):
     """Makes easy initialisation of class parameters"""
     # Parses arguments
     self.software_root = os.path.abspath(software_root)