$ ./gradlew localizationUpdate
Starting a Gradle Daemon (subsequent builds will be faster)
Task :jmh Last added: null
:localizationUpdate  File "E:\workspace\JabRef\jabref\scripts\syncLang.py", line 17
    def get_current_branch(self) -> str:
                                ^
SyntaxError: mismatched input '-' expecting COLON
 FAILED

FAILURE: Build failed with an exception.