[module] __init__.py files cleanup

beat/__init__.py

@@ -27,4 +27,5 @@
 
 # see https://docs.python.org/3/library/pkgutil.html
 from pkgutil import extend_path
+
 __path__ = extend_path(__path__, __name__)

beat/editor/test/__init__.py

@@ -24,4 +24,3 @@
 # with the BEAT platform. If not, see http://www.gnu.org/licenses/.           #
 #                                                                             #
 ###############################################################################
-