Fix NameError when pyglet cannot create window #278
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Unfortunately I do not currently have an easy repro case, but I hope that scoping rules, at least in 3/3.x should be sufficient to demonstrate the need for this change.
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If we fail to create a pyglet
Windowwe'll try to display an error message, but that will fail due to aNameError. Instead let's let's persist the final error message so that it's available to present to the user.Unfortunately I do not currently have an easy repro case, but I hope that scoping rules, at least in 3/3.x should be sufficient to demonstrate the need for this change.