diff --git a/api/plugins_list.py b/api/plugins_list.py
index cf7d52e37d..c3b7434682 100644
--- a/api/plugins_list.py
+++ b/api/plugins_list.py
@@ -3,10 +3,10 @@
 
 class PluginsList(ApiHandler):
     async def process(self, input: Input, request: Request) -> Output:
-        filter = input.get("filter", {})
+        filter = input.get("filter") or {}
 
-        custom = filter.get("custom", False)
-        builtin = filter.get("builtin", False)
+        custom = filter.get("custom", True)
+        builtin = filter.get("builtin", True)
 
         plugin_list = plugins.get_enhanced_plugins_list(custom=custom, builtin=builtin)
         
diff --git a/plugins/_plugin_installer/helpers/install.py b/plugins/_plugin_installer/helpers/install.py
index 3722cba619..e7da7479a8 100644
--- a/plugins/_plugin_installer/helpers/install.py
+++ b/plugins/_plugin_installer/helpers/install.py
@@ -4,7 +4,6 @@
 import json
 import os
 import time
-from turtle import stamp
 import urllib.request
 import uuid
 import zipfile