Fixed ~revav
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		@@ -335,18 +335,12 @@ $@"🌍 **Weather for** 【{obj["target"]}】
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        [NadekoCommand, Usage, Description, Aliases]
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					        [NadekoCommand, Usage, Description, Aliases]
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        [RequireContext(ContextType.Guild)]
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					        [RequireContext(ContextType.Guild)]
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        public async Task Revav(IUserMessage umsg, [Remainder] string arg = null)
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					        public async Task Revav(IUserMessage umsg, [Remainder] IUser usr = null)
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        {
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					        {
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            var channel = (ITextChannel)umsg.Channel;
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					            var channel = (ITextChannel)umsg.Channel;
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            var usrStr = arg?.Trim().ToUpperInvariant();
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            if (string.IsNullOrWhiteSpace(usrStr))
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					            if (usr == null)
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                return;
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					                usr = umsg.Author;
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            var usr = channel.Guild.GetUsers().Where(u => u.Username.ToUpperInvariant() == usrStr).FirstOrDefault();
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            if (usr == null || string.IsNullOrWhiteSpace(usr.AvatarUrl))
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                return;
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            await channel.SendMessageAsync($"https://images.google.com/searchbyimage?image_url={usr.AvatarUrl}").ConfigureAwait(false);
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					            await channel.SendMessageAsync($"https://images.google.com/searchbyimage?image_url={usr.AvatarUrl}").ConfigureAwait(false);
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        }
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					        }
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