printer: tempstore fixup
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@@ -70,7 +70,7 @@ class Panel(MenuPanel):
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return False
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def activate(self):
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if self._printer.tempstore is None:
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if not self._printer.tempstore:
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self._screen.init_tempstore()
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self.update_graph_visibility()
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@@ -186,7 +186,7 @@ class Panel(ScreenPanel):
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self.graph_update = None
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def activate(self):
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if self._printer.tempstore is None:
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if not self._printer.tempstore:
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self._screen.init_tempstore()
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self.update_graph_visibility()
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