Merge pull request #442 from lona-web-org/fscherf/fix-rendering-issue

fix rendering issue

lona/client2/_lona/client2/rendering-engine.js

@@ -104,6 +104,7 @@ export class LonaRenderingEngine {
         node.remove();
 
         this._remove_widget_if_present(node_id);
+        this._clean_node_cache();
     };
 
     _remove_widget_if_present(node_id) {

lona/logging.py

@@ -10,6 +10,7 @@
     terminal_supports_colors,
     colors_are_enabled,
 )
+from lona.errors import ClientError
 
 try:
     # syslog is only on unix based systems available
@@ -62,10 +63,11 @@ def exclude(self, logger_name):
         self.excluded.append(logger_name)
 
     def filter(self, record):
-        # filter exceptions that lona.command_line.run_server.run_server
-        # handles it self
         if record.exc_info:
 
+            # filter exceptions that lona.command_line.run_server.run_server
+            # handles it self
+
             # OSErrors
             if (isinstance(record.exc_info[1], OSError) and
                     record.exc_info[1].errno in (13, 98)):
@@ -78,6 +80,11 @@ def filter(self, record):
 
                 return False
 
+            # filter exceptions that Lona logs it-self to avoid
+            # duplicate logs
+            if isinstance(record.exc_info[1], ClientError):
+                return False
+
         if record.name == 'lona':
             # The lona root logger is used by the command line tools
             # to report errors, for example when startup is not possible due