fix: SA: Fix "...invoked with..." rule.

SA stands for Static Analysis.

src/Bundle/ChillPersonBundle/Command/ImportPeopleFromCSVCommand.php

@@ -494,6 +494,7 @@ EOF
         $openingDateString = trim($row[array_search('opening_date', $headers)]);
         $openingDate = $this->processDate($openingDateString, $this->input->getOption('opening_date_format'));
 
+        // @TODO: Fix the constructor parameter, $openingDate does not exists.
         $person = $openingDate instanceof \DateTime ? new Person($openingDate) : new Person();
         // add the center
         $center = $this->getCenter($row, $headers);