fix bug with print
Merge branch 'hotfix/print_bug'

* hotfix/print_bug:
  fix bug with print
Merge branch 'hotfix/print_bug' into develop

* hotfix/print_bug:
  fix bug with print
Merge branch 'develop'

* develop:
bigger lesson_time
Merge branch 'hotfix/bigger_lesson_time'

* hotfix/bigger_lesson_time:
  bigger lesson_time
Merge branch 'hotfix/bigger_lesson_time' into develop

* hotfix/bigger_lesson_time:
  bigger lesson_time
Merge branch 'develop'

* develop: