This is not bug.

Hi Zoranzoki21, try the Gerrit patch uploader to submit patches.

Thank you @Xqt

@Xqt I have error.

In T167599#3338272, @Zoranzoki21 wrote:

I have error.

@Zoranzoki21: Please read the error and answer the questions in the error message.

https://tools.wmflabs.org/gerrit-patch-uploader/ lists allowed formats. Are you sure you upload a patch/diff file? (Note: An edited blockpageschecker.py file is not a patch/diff file.) If yes, please attach your patch/diff file here in Phabricator.

I attach patch in description.

Change 358241 had a related patch set uploaded (by Merlijn van Deen; owner: Zoranzoki21):
[pywikibot/core@master] blockpageschecker: Add serbian translation

https://gerrit.wikimedia.org/r/358241

Thank you very much @valhallasw

Change 358241 merged by jenkins-bot:
[pywikibot/core@master] blockpageschecker: Add serbian translation

https://gerrit.wikimedia.org/r/358241

Because that is resolved

In T167599#3338349, @Zoranzoki21 wrote:

I attach patch in description.

@Zoranzoki21: You attached a complete (slightly edited) source code file. That is not a patch file which only includes actual differences. :)

Ok. Thank you!