Fix python3 in server mode

glances/core/glances_server.py

@@ -192,13 +192,14 @@ class GlancesInstance():
                 self.stats.update()
                 # Return the attribute
                 return getattr(self.stats, item)
-            except Exception, e:
+            except Exception:
                 # The method is not found for the plugin
                 raise AttributeError(item)
         else:
             # Default behavior
             raise AttributeError(item)
 
+
 class GlancesServer():
     """
     This class creates and manages the TCP server
@@ -212,8 +213,8 @@ class GlancesServer():
         # Init the XML RPC server
         try:
             self.server = GlancesXMLRPCServer(bind_address, bind_port, requestHandler)
-        except Exception, err:
-            print(_("Error: Can not start Glances server (%s)") % err)
+        except Exception as err:
+            print(_("Error: Cannot start Glances server (%s)") % err)
             sys.exit(2)
 
         # The users dict