from twitch import TwitchClient

class TwitchHandler:

    async def validateStream(url, twitch_id):
        client = TwitchClient(client_id=twitch_id)
        channelName = url.split('/')[-1]
        channels = client.search.channels(channelName)
        
        if channels:
            channel = channels[0]
            return 'World of Warcraft' in channel.game
        
        return False
        
    async def fetchStreamInfo(url, twitch_id):
        client = TwitchClient(client_id=twitch_id)
        channelName = url.split('/')[-1]
        channels = client.search.channels(channelName)
        
        title = None
        description = None
        avatar = None
        views = None
        followers = None
                
        if channels:
            channel = channels[0]
            
            for ch in channels:
                if ch.display_name == channelName:
                    channel = ch
                    break

            avatar = channel.logo
            title = channel.status
            description = channel.description
            views = channel.views
            followers = channel.followers
        
        return title, description, avatar, views, followers

from twitch import TwitchClient

class TwitchHandler:

    async def validateStream(url, twitch_id):
        client = TwitchClient(client_id=twitch_id)
        channelName = url.split('/')[-1]
        channels = client.search.channels(channelName)
        
        if channels:
            for ch in channels:
                if ch.name.casefold() == channelName.casefold():
                    return 'World of Warcraft' in ch.game
        
        return False
        
    async def fetchStreamInfo(url, twitch_id):
        client = TwitchClient(client_id=twitch_id)
        channelName = url.split('/')[-1]
        channels = client.search.channels(channelName)
        
        title = None
        description = None
        avatar = None
        views = None
        followers = None
                
        if channels:
            channel = channels[0]
            
            for ch in channels:
                if ch.name.casefold() == channelName.casefold():
                    channel = ch
                    break

            avatar = channel.logo
            title = channel.status
            description = channel.description
            views = channel.views
            followers = channel.followers
        
        return title, description, avatar, views, followers

Fix Bot Errors with Selecting Wrong Users
Fix Bot Errors with Selecting Wrong Users

Also fix validation in case the zeroth user isn't correct, which is happening a bunch.
Compare the names casefolded incase of mismatch in capitalization.