corrected the wrong merging

mpl_server.py

@@ -47,7 +47,7 @@ class MplHandler(socketserver.StreamRequestHandler):
 
         # Try to execute the instructions
         try:
-            self.server._rawdata[data_name] = MplData(data=fct(*args, **kwargs), name=data_name)
+            self.server._rawdata[data_name] = fct(*args, **kwargs)
             if debug:
                 print(INFO + "SERVER: I read the data "
                       "following instructions")