[Serializer] fix undefined class

Robin Chalas · chalasr · commit abd3c5bd03fb · 2018-01-19T12:19:37.000+01:00
diff --git a/Normalizer/DateTimeNormalizer.php b/Normalizer/DateTimeNormalizer.php
@@ -84,7 +84,7 @@ public function denormalize($data, $class, $format = null, array $context = arra
         $timezone = $this->getTimezone($context);
 
         if ('' === $data || null === $data) {
-            throw new UnexpectedValueException('The data is either an empty string or null, you should pass a string that can be parsed with the passed format or a valid DateTime string.');
+            throw new NotNormalizableValueException('The data is either an empty string or null, you should pass a string that can be parsed with the passed format or a valid DateTime string.');
         }
 
         if (null !== $dateTimeFormat) {

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@ public function denormalize($data, $class, $format = null, array $context = arra`
`84`	`84`	`$timezone = $this->getTimezone($context);`
`85`	`85`
`86`	`86`	`if ('' === $data \|\| null === $data) {`
`87`		`- throw new UnexpectedValueException('The data is either an empty string or null, you should pass a string that can be parsed with the passed format or a valid DateTime string.');`
	`87`	`+ throw new NotNormalizableValueException('The data is either an empty string or null, you should pass a string that can be parsed with the passed format or a valid DateTime string.');`
`88`	`88`	`}`
`89`	`89`
`90`	`90`	`if (null !== $dateTimeFormat) {`