Minor - format code

src/CoreBundle/Entity/AccessUrlRelUserGroup.php

@@ -60,7 +60,7 @@ class AccessUrlRelUserGroup
         return $this->userGroup;
     }
 
-    public function setUserGroup(Usergroup $userGroup): AccessUrlRelUserGroup
+    public function setUserGroup(Usergroup $userGroup): self
     {
         $this->userGroup = $userGroup;
 

src/CoreBundle/Entity/Tag.php

@@ -88,7 +88,7 @@ class Tag
         return $this->field;
     }
 
-    public function setField(ExtraField $field): Tag
+    public function setField(ExtraField $field): self
     {
         $this->field = $field;
 

src/CoreBundle/Migrations/Schema/V200/Version20180319145700.php

@@ -41,7 +41,6 @@ class Version20180319145700 extends AbstractMigrationChamilo
         $this->addSql('ALTER TABLE c_survey CHANGE avail_from avail_from DATETIME DEFAULT NULL;');
         $this->addSql('ALTER TABLE c_survey CHANGE avail_till avail_till DATETIME DEFAULT NULL;');
 
-
         $table = $schema->getTable('c_survey_answer');
 
         if ($table->hasIndex('course')) {

src/CourseBundle/Repository/CSurveyRepository.php

@@ -31,5 +31,4 @@ final class CSurveyRepository extends ResourceRepository
 
         return $qb;
     }
-
 }