python - NLTK pos_tag ImportError from mtrand import * -


when run code error (below):

import nltk sentence = """at 8 o'clock on thursday morning""" tokens = nltk.word_tokenize(sentence) nltk.pos_tag(tokens)

the traceback is:

traceback (most recent call last):   file "<pyshell#5>", line 1, in <module>     nltk.pos_tag(tokens)   file "c:\python27\lib\site-packages\nltk\tag\__init__.py", line 99, in pos_tag     tagger = load(_pos_tagger)   file "c:\python27\lib\site-packages\nltk\data.py", line 605, in load     resource_val = pickle.load(_open(resource_url))   file "c:\python27\lib\site-packages\numpy\__init__.py", line 171, in <module>     import random   file "c:\python27\lib\site-packages\numpy\random\__init__.py", line 99, in <module>     mtrand import * importerror: dll load failed: application has failed start because side-by-    side configuration incorrect. please see application event log or use command-line sxstrace.exe tool more detail.

i'm running python 2.7.4 64-bit w/ idle , have numpy-1.7.1 64-bit installed on windows 7.

what's going on mtrand import? help.


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