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Graph: Avoid calling a method on null

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Fixes APP-DX
This commit is contained in:
Vishesh Handa
2020-10-18 10:06:03 +02:00
parent 8e879c293d
commit 88dd449ac6
1 changed files with 4 additions and 2 deletions
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6
lib/core/graph.dart
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@ -188,8 +188,10 @@ class Graph extends ChangeNotifier {
} }
void stopLayout() { void stopLayout() {
layoutTimer.cancel(); if (layoutTimer != null) {
layoutTimer = null; layoutTimer.cancel();
layoutTimer = null;
}
} }
} }