I read the "Guidelines for arcpy.mp" doc, but when I call the sample code myself in the ArcGIS Pro Python window or from a Python script, I get this error:
import arcpy
aprx = arcpy.mp.ArcGISProject(r'C:\Path\To\Project\test_project.tbx')
Runtime error
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "c:\program files\arcgis\pro\Resources\arcpy\arcpy\_mp.py", line 283, in __init__
self._arc_object = arcgisscripting._mapping.ArcGISProject(*gp_fixargs((aprx_path,), True))
OSError: C:\Path\To\Project\test_project.tbx
Is this normal expected behavior? The example code shows setting the project variable with an explicit .aprx file path, and I'm wondering why I'm unable to do the same on my machine. The .aprx file is present/there are no misspellings in the file path in my code. For reference, I'm running a fresh Windows 7 64-bit install with a fresh ArcGIS Desktop install as well (Pro v 1.4.1).
