everybody loves a refactor

internal/handlers/season_detail.go

@@ -25,11 +25,12 @@ func SeasonPage(
 			var err error
 			season, err = db.GetSeason(ctx, tx, seasonStr)
 			if err != nil {
+				if db.IsBadRequest(err) {
+					throw.NotFound(s, w, r, r.URL.Path)
+					return false, nil
+				}
 				return false, errors.Wrap(err, "db.GetSeason")
 			}
-			if season == nil {
-				return true, nil
-			}
 
 			leaguesWithTeams, err = season.MapTeamsToLeagues(ctx, tx)
 			if err != nil {
@@ -40,10 +41,6 @@ func SeasonPage(
 		}); !ok {
 			return
 		}
-		if season == nil {
-			throw.NotFound(s, w, r, r.URL.Path)
-			return
-		}
 		renderSafely(seasonsview.DetailPage(season, leaguesWithTeams), s, r, w)
 	})
 }