in mpl_server.py: at various places removed `e.message` which doesnot exist.

                  cast all e.args to string where printted.

mpl_server.py

@@ -118,13 +118,13 @@ class MplHandler(socketserver.StreamRequestHandler):
                 print(SPCE + "SERVER: I tried: "
                       + str(fig_class.__name__)
                       + '(' + str(datas) + ', ' + str(kwargs) + ')')
-                print(SPCE + "SERVER: Exception details where:",
-                      e.message, e.args)
+                print(SPCE + "SERVER: Exception details where:" 
+                      + str(e.args))
             return Status(False, "I could not create the requested "
                           "Figure. I tried: " + str(fig_class.__name__)
                           + '(' + str(datas) + ', ' + str(kwargs) + ')'
                           + " Exception details where:"
-                          + str(e.message) + str(e.args))
+                          + str(e.args))
 
         # add the figure to the global index
         self.server._figures[fig.get_fig_id()] = fig
@@ -166,11 +166,10 @@ class MplHandler(socketserver.StreamRequestHandler):
         except Exception as e:
             if debug:
                 print(WARN + "I couldn't format the rawdata.")
-                print(SPCE + "SERVER: Exception details where:",
-                      e.message,
-                      e.args)
+                print(SPCE + "SERVER: Exception details where:" +
+                      str(e.args))
             return Status(False, "I couldn't format the rawdata."\
-                          " Exception details where:" + str(e.message) + str(e.args))
+                          " Exception details where:" + str(e.args))
 
         # compose the formated data
         datas = tuple(ax.data for ax in fig.get_axes())