Cleanup scripts

support/manage.py

@@ -284,7 +284,7 @@ def release(args):
     script = os.path.join('doc', 'build.py')
     script_path = os.path.join(fmt_repo.dir, script)
     for line in fileinput.input(script_path, inplace=True):
-      m = re.match(r'( *versions = )\[(.+)\]', line)
+      m = re.match(r'( *versions \+= )\[(.+)\]', line)
       if m:
         line = '{}[{}, \'{}\']\n'.format(m.group(1), m.group(2), version)
       sys.stdout.write(line)