wrong place for replace

OpenAPIClient/Classes/OpenAPIs/OpenISO8601DateFormatter.swift

@@ -44,7 +44,7 @@ public class OpenISO8601DateFormatter: DateFormatter {
         setup()
     }
 
-    override public func date(from string: String) -> String? {
+    override public func date(from string: String) -> Date? {
         if let result = super.date(from: string) {
             return result
         } else if let result = OpenISO8601DateFormatter.withoutSeconds.date(from: string) {