From b05933274a11fb097873ab0d1b246d37b06aa306 Mon Sep 17 00:00:00 2001
From: Flame442 <34169552+Flame442@users.noreply.github.com>
Date: Wed, 12 Jan 2022 12:20:22 -0500
Subject: [PATCH] [Audio] Fix UnboundLocalError in edge case (#5394)

* Fix UnboundLocalError in edge case

* Fix typehint for fetch

* Style
---
 redbot/cogs/audio/apis/playlist_wrapper.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/redbot/cogs/audio/apis/playlist_wrapper.py b/redbot/cogs/audio/apis/playlist_wrapper.py
index f38b32cc1..0a884ef18 100644
--- a/redbot/cogs/audio/apis/playlist_wrapper.py
+++ b/redbot/cogs/audio/apis/playlist_wrapper.py
@@ -84,7 +84,9 @@ class PlaylistWrapper:
             table = 2
         return table
 
-    async def fetch(self, scope: str, playlist_id: int, scope_id: int) -> PlaylistFetchResult:
+    async def fetch(
+        self, scope: str, playlist_id: int, scope_id: int
+    ) -> Optional[PlaylistFetchResult]:
         """Fetch a single playlist."""
         scope_type = self.get_scope_type(scope)
 
@@ -107,7 +109,8 @@ class PlaylistWrapper:
                 try:
                     row_result = future.result()
                 except Exception as exc:
-                    debug_exc_log(log, exc, "Failed to completed playlist fetch from database")
+                    debug_exc_log(log, exc, "Failed to complete playlist fetch from database")
+                    return None
             row = row_result.fetchone()
             if row:
                 row = PlaylistFetchResult(*row)
@@ -139,7 +142,7 @@ class PlaylistWrapper:
                     try:
                         row_result = future.result()
                     except Exception as exc:
-                        debug_exc_log(log, exc, "Failed to completed playlist fetch from database")
+                        debug_exc_log(log, exc, "Failed to complete playlist fetch from database")
                         return []
             else:
                 for future in concurrent.futures.as_completed(
@@ -154,7 +157,7 @@ class PlaylistWrapper:
                     try:
                         row_result = future.result()
                     except Exception as exc:
-                        debug_exc_log(log, exc, "Failed to completed playlist fetch from database")
+                        debug_exc_log(log, exc, "Failed to complete playlist fetch from database")
                         return []
         async for row in AsyncIter(row_result):
             output.append(PlaylistFetchResult(*row))
@@ -191,7 +194,8 @@ class PlaylistWrapper:
                 try:
                     row_result = future.result()
                 except Exception as exc:
-                    debug_exc_log(log, exc, "Failed to completed fetch from database")
+                    debug_exc_log(log, exc, "Failed to complete fetch from database")
+                    return []
 
             async for row in AsyncIter(row_result):
                 output.append(PlaylistFetchResult(*row))