1 files changed, 16 insertions, 15 deletions
diff --git a/release/scripts/startup/bl_ui/space_node.py b/release/scripts/startup/bl_ui/space_node.py
index e105b07ec53..427d0696c20 100644
--- a/release/scripts/startup/bl_ui/space_node.py
+++ b/release/scripts/startup/bl_ui/space_node.py
@@ -1,6 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
-
-# <pep8 compliant>
 import bpy
 from bpy.types import Header, Menu, Panel
 from bpy.app.translations import pgettext_iface as iface_
@@ -727,7 +725,20 @@ class NODE_UL_interface_sockets(bpy.types.UIList):
             layout.template_node_socket(color=color)
 
 
-class NodeTreeInterfacePanel:
+class NodeTreeInterfacePanel(Panel):
+
+    @classmethod
+    def poll(cls, context):
+        snode = context.space_data
+        if snode is None:
+            return False
+        tree = snode.edit_tree
+        if tree is None:
+            return False
+        if tree.is_embedded_data:
+            return False
+        return True
+
     def draw_socket_list(self, context, in_out, sockets_propname, active_socket_propname):
         layout = self.layout
 
@@ -804,32 +815,22 @@ class NodeTreeInterfacePanel:
             active_socket.draw(context, layout)
 
 
-class NODE_PT_node_tree_interface_inputs(NodeTreeInterfacePanel, Panel):
+class NODE_PT_node_tree_interface_inputs(NodeTreeInterfacePanel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'UI'
     bl_category = "Group"
     bl_label = "Inputs"
 
-    @classmethod
-    def poll(cls, context):
-        snode = context.space_data
-        return snode.edit_tree is not None
-
     def draw(self, context):
         self.draw_socket_list(context, "IN", "inputs", "active_input")
 
 
-class NODE_PT_node_tree_interface_outputs(NodeTreeInterfacePanel, Panel):
+class NODE_PT_node_tree_interface_outputs(NodeTreeInterfacePanel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'UI'
     bl_category = "Group"
     bl_label = "Outputs"
 
-    @classmethod
-    def poll(cls, context):
-        snode = context.space_data
-        return snode.edit_tree is not None
-
     def draw(self, context):
         self.draw_socket_list(context, "OUT", "outputs", "active_output")