I've been updating a toolbox script, and I keep getting barred from accessing the script through ArcCatalog:

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I make my updates on pythonWin, then check its validity in ArcMap. I've tried restarting Arc, pythonwin, and my computer, but to no avail. I have ArcGIS 10.4.1 for Desktop with an Advanced license.


1 Answer 1


That red cross is not about licensing. I think you have a syntax error in your *.pyt.

In the Catalog window of ArcMap right-click on the *.pyt and I think you'll see an option for Check Syntax.

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