Maybe it can't describe the name of a folder?
Sorry I wasn't clear, it is blowing up on me... here is the error:
Runtime error
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "<string>", line 26, in import_to_GDB
File "<string>", line 2, in rename
File "c:\program files (x86)\arcgis\desktop10.1\arcpy\arcpy\__init__.py", line 1200, in Describe
return gp.describe(value)
File "c:\program files (x86)\arcgis\desktop10.1\arcpy\arcpy\geoprocessing\_base.py", line 374, in describe
self._gp.Describe(*gp_fixargs(args, True)))
IOError: "Buffer" does not exist