python - Import error in pdfminer3k -

i have installed pdfminer3k on linux machine python 3.2.2 version. when try run pdf2text.py file, gettin following error:

traceback (most recent call last):   file "tools/pdf2txt.py", line 5, in <module>     pdfminer.pdfinterp import pdfresourcemanager, process_pdf importerror: no module named 'pdfminer' 

can tell why error encountered?