Incorrect import.

deploy.py

@@ -528,7 +528,7 @@ class OpenSKInstaller:
       assert_mandatory_binary("nrfutil")
       assert_python_library("intelhex")
       assert_python_library("nordicsemi.lister")
-      nrfutil_version = __import__("nordicsemi").version.NRFUTIL_VERSION
+      nrfutil_version = __import__("nordicsemi.version").version.NRFUTIL_VERSION
       if not nrfutil_version.startswith("6."):
         fatal(("You need to install nrfutil python3 package v6.0 or above. "
                "Found: {}".format(nrfutil_version)))