fixes: refactor

[AsmSafone]

• locks:

• Simplify boolean if expression

• download

• Quick return if not instance

• botpm

• Merge else clause's nested if statement into elif

• whois, upload, updater, paste, welcome

• Simplify & merge else clause's nested if statement

[Krishna-Singhal]

@AsmSafone Nice job Dude! 👍

[AsmSafone]

@AsmSafone Nice job Dude! 👍

Thanks! ❤️