Ultroid v0.3 Updates

Co-authored-by: Aditya <xditya@ultroid.tech>
Co-authored-by: Danish <danish@ultroid.tech>
Co-authored-by: Amit Sharma <48654350+buddhhu@users.noreply.github.com>
Co-authored-by: TechiError <error@notavailable.live>
Co-authored-by: Avish Kumar <85635883+aviskumar@users.noreply.github.com>
Co-authored-by: Vɪɴᴀʏᴀᴋ Pᴀɴᴅᴇʏ <87496159+harpia-vieillot@users.noreply.github.com>
Co-authored-by: Shrimadhav U K <6317196+spechide@users.noreply.github.com>
Co-authored-by: Dark <darkbeamer.official@gmail.com>
Co-authored-by: Muhamad Risman Aziz <62795826+mrismanaziz@users.noreply.github.com>
Co-authored-by: Ashik Muhammed <84127769+MR-JINN-OF-TG@users.noreply.github.com>
Co-authored-by: MMETMA <79155572+MMETMA@users.noreply.github.com>
Co-authored-by: amirmehdinzri <94852182+amirmehdinzri@users.noreply.github.com>

assistant/localization.py

@@ -1,5 +1,5 @@
 # Ultroid - UserBot
-# Copyright (C) 2021 TeamUltroid
+# Copyright (C) 2021-2022 TeamUltroid
 #
 # This file is a part of < https://github.com/TeamUltroid/Ultroid/ >
 # PLease read the GNU Affero General Public License in
@@ -32,7 +32,7 @@ async def settt(event):
     lang = event.data_match.group(1).decode("UTF-8")
     languages = get_languages()
     language[0] = lang
-    udB.delete("language") if lang == "en" else udB.set("language", lang)
+    udB.del_key("language") if lang == "en" else udB.set_key("language", lang)
     await event.edit(
         f"Your language has been set to {languages[lang]['natively']} [{lang}].",
         buttons=get_back_button("lang"),