Modernize code to use f-strings

This also removes the encoding on the top, since Python 3 does it by
default. It also changes some methods to use `yield from`.

1 files changed, 7 insertions, 7 deletions

diff --git a/examples/basic_voice.py b/examples/basic_voice.py
index 42cea2c8..45387911 100644
--- a/examples/basic_voice.py
+++ b/examples/basic_voice.py
@@ -70,9 +70,9 @@ class Music(commands.Cog):
         """Plays a file from the local filesystem"""
 
         source = discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(query))
-        ctx.voice_client.play(source, after=lambda e: print('Player error: %s' % e) if e else None)
+        ctx.voice_client.play(source, after=lambda e: print(f'Player error: {e}') if e else None)
 
-        await ctx.send('Now playing: {}'.format(query))
+        await ctx.send(f'Now playing: {query}')
 
     @commands.command()
     async def yt(self, ctx, *, url):
@@ -80,9 +80,9 @@ class Music(commands.Cog):
 
         async with ctx.typing():
             player = await YTDLSource.from_url(url, loop=self.bot.loop)
-            ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None)
+            ctx.voice_client.play(player, after=lambda e: print(f'Player error: {e}') if e else None)
 
-        await ctx.send('Now playing: {}'.format(player.title))
+        await ctx.send(f'Now playing: {player.title}')
 
     @commands.command()
     async def stream(self, ctx, *, url):
@@ -90,9 +90,9 @@ class Music(commands.Cog):
 
         async with ctx.typing():
             player = await YTDLSource.from_url(url, loop=self.bot.loop, stream=True)
-            ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None)
+            ctx.voice_client.play(player, after=lambda e: print(f'Player error: {e}') if e else None)
 
-        await ctx.send('Now playing: {}'.format(player.title))
+        await ctx.send(f'Now playing: {player.title}')
 
     @commands.command()
     async def volume(self, ctx, volume: int):
@@ -102,7 +102,7 @@ class Music(commands.Cog):
             return await ctx.send("Not connected to a voice channel.")
 
         ctx.voice_client.source.volume = volume / 100
-        await ctx.send("Changed volume to {}%".format(volume))
+        await ctx.send(f"Changed volume to {volume}%")
 
     @commands.command()
     async def stop(self, ctx):