[fix] py3 error : 'str' object has no attribute 'read'

.gitlab/releaser.py

@@ -38,8 +38,7 @@ def get_current_message():
     tag_url += ci_commit_tag
     request = urllib.request.Request(tag_url)
     response = urllib.request.urlopen(request)
-
-    data = json.load(response.read().decode())
+    data = json.load(response.decode())
     if data['release'] is None:
         return False, ''
     else: