fix(speedtest): bunch of fixes

speedtest/speedtest.py

@@ -5,6 +5,7 @@
 #  ____) |  __/ (_| \__ \\ V  V /| | | | | | | | | | | |  __/ |
 # |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|
 
+import asyncio
 import json
 import subprocess
 
@@ -33,13 +34,27 @@ class Speedtest(commands.Cog):
         ]
         return "\n".join(text)
 
+    async def run_speedtest(self) -> str | asyncio.Any:
+        process = await asyncio.create_subprocess_exec(
+            "speedtest", "-f json", "--accept-license",
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE
+        )
+        stdout, stderr = await process.communicate()
+        if process.returncode != 0:
+            return stderr.decode("utf-8")
+        return json.loads(stdout.decode("utf-8"))
+
     @commands.command()
     @commands.is_owner()
-    async def speedtest(self, ctx: commands.Context):
+    async def speedtest(self, ctx: commands.Context) -> None:
         """Run a speedtest."""
         msg = await ctx.maybe_send_embed("Running speedtest...")
-        result = subprocess.run(["speedtest", "-f json", "--accept-license"], stdout=subprocess.PIPE)
+        async with ctx.typing():
-        r = json.loads(result.stdout.decode("utf-8"))
+            r = await self.run_speedtest()
+            if isinstance(r, str):
+                await msg.edit(content=f"An error occurred: {r}")
+                return
             if await ctx.embed_requested():
                 embed = discord.Embed(title="Speedtest Results", link=r["result"]["url"], color=await ctx.embed_color())
                 embed.add_field(name="Bandwidth", value=f"{r['download']['bandwidth'] / 1_000_000:.2f} Mbps down, {r['upload']['bandwidth'] / 1_000_000:.2f} Mbps up")