Attempt to fix build 2

build.gradle

@@ -96,11 +96,7 @@ task apiJar(type: Jar, dependsOn: 'sourceMainJava') {
     classifier 'api'
 }
 
-task signJar(type: SignJar, dependsOn: reobfJar) {
-    onlyIf {
-        project.hasProperty('keyStore')
-    }
-
+task signJar(type: SignJar, dependsOn: reobfJar, onlyIf: project.hasProperty('keyStore')) {
     keyStore = project.property('keyStore')
     alias = project.property('keyStoreAlias')
     storePass = project.property('keyStorePass')