Re: TypeError: cannot concatenate 'str' and 'NoneType' objects

2006-12-20 Thread thompson . marisa
I've had a lot of replies suggesting different things. These are the results: When I change while Townshps !="": to while Townshp is not None: and when I change while Townshps !="": to for Townshp in iter(gp.ListFeatureClasses().next, None): They both work perfectly, and it solved my problem.

TypeError: cannot concatenate 'str' and 'NoneType' objects

2006-12-20 Thread thompson . marisa
Hi. I'm extremely new to Python and programming as a whole. I have written a python script with the assistance of ESRI ArcGIS 9.2, which uses Python 2.4.1, however, it gives me this error when I try to run it. I've already posted at ESRI support, and I was hoping that Python people could help me