put some properties before the initializer

src/centpkg/__init__.py

@@ -25,6 +25,11 @@ from . import cli
 
 class DistGitDirectory(object):
 
+    signame = None
+    centosversion = None
+    projectname = None
+    releasename = None
+
     def __init__(self, branchtext):
         sigtobranchre = r'sig-(?P<signame>\w+)(?P<centosversion>\d)-?(?P<projectname>\w+)?-?(?P<releasename>\w+)?'
         match = re.match(sigtobranchre, branchtext)