fixed node.execute 'UnboundLocalError: local variable 'line' referenced before assignment'

Author: Lorenzo

node/main.py

@@ -117,7 +117,7 @@ def execute(self, command, command_args, is_from_bin=False) :
     if len(lines_error) > 0 :
       no_error = False
 
-    lines = lines_output + ( b"\n" if type(line) is bytes else "\n" )  + lines_error
+    lines = lines_output + ( b"\n" if type(lines_output) is bytes else "\n" )  + lines_error
 
     p.terminate()