Error regarding numpy

[sanam singh]

hi,
when i import numpy i get following error

>>> import numpy
Traceback (most recent call last):
  File "/usr/lib/wingide-personal3.2/src/debug/tserver/_sandbox.py", line 1, in <module>
    # Used internally for debug sandbox under external interpreter
  File "/usr/lib/python2.6/dist-packages/numpy/__init__.py", line 130, in <module>
    import add_newdocs
  File "/usr/lib/python2.6/dist-packages/numpy/add_newdocs.py", line 9, in <module>
    from lib import add_newdoc
  File "/usr/lib/python2.6/dist-packages/numpy/lib/__init__.py", line 152, in <module>
    from type_check import *
  File "/usr/lib/python2.6/dist-packages/numpy/lib/type_check.py", line 8, in <module>
    import numpy.core.numeric as _nx
  File "/usr/lib/python2.6/dist-packages/numpy/core/__init__.py", line 5, in <module>
    import multiarray
ImportError: /usr/lib/python2.6/dist-packages/numpy/core/multiarray.so: undefined symbol: _PyUnicodeUCS4_IsWhitespace

please help me.
Cheers
 		 	   		  
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