id summary reporter owner description type status priority component version resolution keywords cc 267 ctypes version conflict with numpy davidfawcett osgeo4w-dev@… " When I try to import numpy, I get the below error. It appears that it looks for ctypeslib.py in the right spot, but then it goes to the path for my 'system python', which is Python 2.5 for ctypes\__init__.py. I just ran the OSGeo4W installer to update all of the packages. GDAL 1.8.1, released 2011/07/09 {{{ H:\>python Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32 Type ""help"", ""copyright"", ""credits"" or ""license"" for more information. >>> import numpy Traceback (most recent call last): File """", line 1, in File ""C:\OSGeo4W\apps\Python27\lib\site-packages\numpy\__init__.py"", line 154, in import ctypeslib File ""C:\OSGeo4W\apps\Python27\lib\site-packages\numpy\ctypeslib.py"", line 60, in import ctypes File ""D:\Python25\lib\ctypes\__init__.py"", line 20, in raise Exception, (""Version number mismatch"", __version__, _ctypes_version) Exception: ('Version number mismatch', '1.0.2', '1.1.0') >>> }}} " defect closed major Package outdated python ctypes numpy