[Bf-blender-cvs] [833bc703999] master: Fix T79874: VSE - error clearing fades without animation data

[Philipp Oeser]

Commit: 833bc7039997435f676adc5b0c5150a264c543b8
Author: Philipp Oeser
Date:   Wed Aug 19 12:33:23 2020 +0200
Branches: master
https://developer.blender.org/rB833bc7039997435f676adc5b0c5150a264c543b8

Fix T79874: VSE - error clearing fades without animation data

Maniphest Tasks: T79874

Differential Revision: https://developer.blender.org/D8624

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M	release/scripts/startup/bl_operators/sequencer.py

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diff --git a/release/scripts/startup/bl_operators/sequencer.py b/release/scripts/startup/bl_operators/sequencer.py
index a332f938afd..9b15ccf167b 100644
--- a/release/scripts/startup/bl_operators/sequencer.py
+++ b/release/scripts/startup/bl_operators/sequencer.py
@@ -151,7 +151,13 @@ class SequencerFadesClear(Operator):
         return context.scene and context.scene.sequence_editor and context.scene.sequence_editor.active_strip
 
     def execute(self, context):
-        fcurves = context.scene.animation_data.action.fcurves
+        animation_data = context.scene.animation_data
+        if animation_data is None:
+            return {'CANCELLED'}
+        action = animation_data.action
+        if action is None:
+            return {'CANCELLED'}
+        fcurves = action.fcurves
         fcurve_map = {
             curve.data_path: curve
             for curve in fcurves