v1.6.3

Dependencies upgrade

• Django: 2.2.13 -> 2.2.27
• django-environ: 0.4.5 -> 0.8.1
• flake8: 3.5.0 -> 4.0.1
• gevent: 1.3.6 -> 21.12.0
• gunicorn: 19.9.0 -> 20.1.0
• Pillow: 7.1.2 -> 9.0.1
• psycopg2-binary: 2.7.5 -> 2.8.6
• requests: 2.20.0 -> 2.27.1
• raven: 6.9.0 -> 6.10.0
• PyYAML: 5.1.1 -> 6.0
• djangorestframework: 3.9.4 -> 3.13.1
• django-ckeditor: 5.6.1 -> 6.2.0
• django-storages: 1.9.1 -> 1.12.3
• django-suit: 0.2.26 -> 0.2.28
• django-fsm: 2.6.0 -> 2.8.0
• sendgrid: 5.6.0 -> 6.9.6
• django-sendgrid-v5: 0.7.0 -> 1.2.0
• beautifulsoup4: 4.7.1 -> 4.10.0
• drf-yasg: 1.16.0 -> 1.20.0
• django-admin-lightweight-date-hierarchy: 0.3.0 -> 1.0.1
• django-suit-daterange-filter: 0.0.6 -> 0.0.7
• jieba: 0.39 -> 0.42.1
• django-tagulous: 0.13.2 -> 1.3.3
• slack_sdk: 3.4.0 -> 3.14.1
• Unidecode: 1.0.23 -> 1.3.2
• python-dateutil: 2.8.1 -> 2.8.2
• firebase-admin: 4.0.0 -> 5.2.0
• django-redis: 4.11.0 -> 5.2.0

Minor changes

• Fix code style