Add nilerr linter

core/agents/agents.go

@@ -54,7 +54,7 @@ func (a *Agents) GetMBID(ctx context.Context, id string, name string) (string, e
 		mbid, err := agent.GetMBID(ctx, id, name)
 		if mbid != "" && err == nil {
 			log.Debug(ctx, "Got MBID", "agent", ag.AgentName(), "artist", name, "mbid", mbid, "elapsed", time.Since(start))
-			return mbid, err
+			return mbid, nil
 		}
 	}
 	return "", ErrNotFound
@@ -73,7 +73,7 @@ func (a *Agents) GetURL(ctx context.Context, id, name, mbid string) (string, err
 		url, err := agent.GetURL(ctx, id, name, mbid)
 		if url != "" && err == nil {
 			log.Debug(ctx, "Got External Url", "agent", ag.AgentName(), "artist", name, "url", url, "elapsed", time.Since(start))
-			return url, err
+			return url, nil
 		}
 	}
 	return "", ErrNotFound
@@ -92,7 +92,7 @@ func (a *Agents) GetBiography(ctx context.Context, id, name, mbid string) (strin
 		bio, err := agent.GetBiography(ctx, id, name, mbid)
 		if bio != "" && err == nil {
 			log.Debug(ctx, "Got Biography", "agent", ag.AgentName(), "artist", name, "len", len(bio), "elapsed", time.Since(start))
-			return bio, err
+			return bio, nil
 		}
 	}
 	return "", ErrNotFound
@@ -134,7 +134,7 @@ func (a *Agents) GetImages(ctx context.Context, id, name, mbid string) ([]Artist
 		images, err := agent.GetImages(ctx, id, name, mbid)
 		if len(images) > 0 && err == nil {
 			log.Debug(ctx, "Got Images", "agent", ag.AgentName(), "artist", name, "images", images, "elapsed", time.Since(start))
-			return images, err
+			return images, nil
 		}
 	}
 	return nil, ErrNotFound
@@ -153,7 +153,7 @@ func (a *Agents) GetTopSongs(ctx context.Context, id, artistName, mbid string, c
 		songs, err := agent.GetTopSongs(ctx, id, artistName, mbid, count)
 		if len(songs) > 0 && err == nil {
 			log.Debug(ctx, "Got Top Songs", "agent", ag.AgentName(), "artist", artistName, "songs", songs, "elapsed", time.Since(start))
-			return songs, err
+			return songs, nil
 		}
 	}
 	return nil, ErrNotFound