don't fetch private urls*

main.py

@@ -119,10 +119,14 @@ class AngelBot(ClientXMPP):
         netloc = uri.netloc
         if self.invidious_instances and netloc in (self.youtube_links + [youtube_link]):
             self.send_youtube_info(uri, sender, mtype)
-        elif ipaddress.ip_address(netloc.split(":")[0]).is_private:
             return
-        else:
-            await self.process_link(uri, sender, mtype)
+        try:
+            if ipaddress.ip_address(netloc.split(":")[0]).is_private:
+                return
+        except ValueError:
+            pass
+        
+        await self.process_link(uri, sender, mtype)
 
     async def process_link(self, uri, sender, mtype):
         """Process a link and send the result to the sender."""