Merge pull request #245 from Aprite/fix-argumentnullexception-230421

fix:System.ArgumentNullException:
dotnetcore · Apr 21, 2023 · 7f678d5 · 7f678d5
2 parents 1e07808 + c57ca80
commit 7f678d5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/DotnetSpider/DataFlow/Parser/DataParser.cs b/src/DotnetSpider/DataFlow/Parser/DataParser.cs
@@ -43,7 +43,7 @@ public virtual void AddFollowRequestQuerier(ISelector selector)
 		{
 			_followRequestQueriers.Add(context =>
 			{
-				var requests = context.Selectable.SelectList(selector)
+				var requests = context.Selectable.SelectList(selector)?
 					.Where(x => x != null)
 					.SelectMany(x => x.Links())
 					.Select(x =>