WIP.
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/common/ansi/NCAnsiSpinner.scala b/nlpcraft/src/main/scala/org/apache/nlpcraft/common/ansi/NCAnsiSpinner.scala
index 1ae0ad6..3567577 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/common/ansi/NCAnsiSpinner.scala
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/common/ansi/NCAnsiSpinner.scala
@@ -103,9 +103,7 @@
      */
     def stop(): Unit = {
         U.stopThread(thread)
-
-        if true then 1 else 0
-
+        
         if (useAnsi && frame > 0) mux.synchronized {
             clean()
 
diff --git a/pom.xml b/pom.xml
index d7f11c3..a412877 100644
--- a/pom.xml
+++ b/pom.xml
@@ -510,6 +510,7 @@
                     <args>
                         <arg>-Ytasty-reader</arg>
                     </args>
+                    <scalaVersion>3.0.0</scalaVersion>
                 </configuration>
                 <executions>
                     <execution>