Changed
1. Added the crypt15 dependency to "android_backup" pip install extra
sh
pip install whatsapp-chat-exporter[android_backup] alias of crypt15
pip install whatsapp-chat-exporter[crypt12] support crypt12 & 14
pip install whatsapp-chat-exporter[crypt14] support crypt14 & 12
pip install whatsapp-chat-exporter[crypt15] support crypt12,14,15