Replace == null with is null

3 files changed, 13 insertions, 13 deletions

diff --git a/MediaBrowser.Controller/Entities/TV/Episode.cs b/MediaBrowser.Controller/Entities/TV/Episode.cs
index 15b721fe63..2d9cdb8d04 100644
--- a/MediaBrowser.Controller/Entities/TV/Episode.cs
+++ b/MediaBrowser.Controller/Entities/TV/Episode.cs
@@ -136,7 +136,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesSortName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.SortName;
+            return series is null ? SeriesName : series.SortName;
         }
 
         public override double GetDefaultPrimaryImageAspectRatio()
@@ -181,14 +181,14 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesPresentationUniqueKey()
         {
             var series = Series;
-            return series == null ? null : series.PresentationUniqueKey;
+            return series is null ? null : series.PresentationUniqueKey;
         }
 
         public string FindSeasonName()
         {
             var season = Season;
 
-            if (season == null)
+            if (season is null)
             {
                 if (ParentIndexNumber.HasValue)
                 {
@@ -204,7 +204,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.Name;
+            return series is null ? SeriesName : series.Name;
         }
 
         public Guid FindSeasonId()
@@ -212,7 +212,7 @@ namespace MediaBrowser.Controller.Entities.TV
             var season = FindParent<Season>();
 
             // Episodes directly in series folder
-            if (season == null)
+            if (season is null)
             {
                 var series = Series;
 
@@ -226,7 +226,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 }
             }
 
-            return season == null ? Guid.Empty : season.Id;
+            return season is null ? Guid.Empty : season.Id;
         }
 
         /// <summary>
@@ -262,7 +262,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public Guid FindSeriesId()
         {
             var series = FindParent<Series>();
-            return series == null ? Guid.Empty : series.Id;
+            return series is null ? Guid.Empty : series.Id;
         }
 
         public override IEnumerable<Guid> GetAncestorIds()
diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index 599d35da64..19fe16c8f1 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -93,7 +93,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesSortName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.SortName;
+            return series is null ? SeriesName : series.SortName;
         }
 
         public override List<string> GetUserDataKeys()
@@ -149,7 +149,7 @@ namespace MediaBrowser.Controller.Entities.TV
 
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
         {
-            if (query.User == null)
+            if (query.User is null)
             {
                 return base.GetItemsInternal(query);
             }
@@ -208,13 +208,13 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesPresentationUniqueKey()
         {
             var series = Series;
-            return series == null ? null : series.PresentationUniqueKey;
+            return series is null ? null : series.PresentationUniqueKey;
         }
 
         public string FindSeriesName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.Name;
+            return series is null ? SeriesName : series.Name;
         }
 
         public Guid FindSeriesId()
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index d66802a64f..069071ee57 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -266,7 +266,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 DtoOptions = options
             };
 
-            if (user == null || !user.DisplayMissingEpisodes)
+            if (user is null || !user.DisplayMissingEpisodes)
             {
                 query.IsMissing = false;
             }
@@ -384,7 +384,7 @@ namespace MediaBrowser.Controller.Entities.TV
 
         public List<BaseItem> GetSeasonEpisodes(Season parentSeason, User user, IEnumerable<BaseItem> allSeriesEpisodes, DtoOptions options)
         {
-            if (allSeriesEpisodes == null)
+            if (allSeriesEpisodes is null)
             {
                 return GetSeasonEpisodes(parentSeason, user, options);
             }