Merge pull request #652 from ydb-platform/fix-xerrors-is

Fix xerrors is

Author: asmyasnikov

CHANGELOG.md

@@ -1,3 +1,5 @@
+* Fixed checking `nil` error with `internal/xerrors.Is`
+
 ## v3.42.14
 * Supported `scheme.EntryTopic` path child entry in `sugar.RemoveRecursive`
 

internal/xerrors/xerrors.go

@@ -79,9 +79,6 @@ func As(err error, targets ...interface{}) bool {
 // Is is a improved proxy to errors.Is
 // This need to single import errors
 func Is(err error, targets ...error) bool {
-	if err == nil {
-		panic("nil err")
-	}
 	if len(targets) == 0 {
 		panic("empty targets")
 	}