Fixed: Reprocessing multi-language file in Manage Episodes

src/NzbDrone.Core/MediaFiles/EpisodeImport/Manual/ManualImportService.cs

@@ -167,7 +167,7 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Manual
                 localEpisode.ExistingFile = series.Path.IsParentPath(path);
                 localEpisode.Size = _diskProvider.GetFileSize(path);
                 localEpisode.ReleaseGroup = releaseGroup.IsNullOrWhiteSpace() ? Parser.Parser.ParseReleaseGroup(path) : releaseGroup;
-                localEpisode.Languages = (languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown ? languageParse : languages;
+                localEpisode.Languages = languages?.Count <= 1 && (languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown ? languageParse : languages;
                 localEpisode.Quality = quality.Quality == Quality.Unknown ? QualityParser.ParseQuality(path) : quality;
                 localEpisode.CustomFormats = _formatCalculator.ParseCustomFormat(localEpisode);
                 localEpisode.CustomFormatScore = localEpisode.Series?.QualityProfile?.Value.CalculateCustomFormatScore(localEpisode.CustomFormats) ?? 0;
@@ -196,7 +196,7 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Manual
                     ExistingFile = series.Path.IsParentPath(path),
                     Size = _diskProvider.GetFileSize(path),
                     ReleaseGroup = releaseGroup.IsNullOrWhiteSpace() ? Parser.Parser.ParseReleaseGroup(path) : releaseGroup,
-                                       Languages = (languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown ? LanguageParser.ParseLanguages(path) : languages,
+                    Languages = languages?.Count <= 1 && (languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown ? LanguageParser.ParseLanguages(path) : languages,
                     Quality = quality.Quality == Quality.Unknown ? QualityParser.ParseQuality(path) : quality
                 };