import error in python

Question

I have write down a code requires one module name "fragbuilder". Every thing was working fine until i have write down this code.

when I import module from command line its imported successfully but when I import same module from a script or from a IDE its showing error module not found :

and some of my previous scripts which were working fine before writing the new code but has stopped working now. :

example script given bellow:

$ python test.py 

import fragbuilder 
from fragbuilder  import peptide 
print "imported successfully"



Error: 

Traceback (most recent call last):
  File "new.py", line 3, in <module>
    import fragbuilder
  File "/usr/lib/python2.7/dist-packages/fragbuilder/__init__.py", line 1, in <module>
    from peptide import Peptide
  File "/usr/lib/python2.7/dist-packages/fragbuilder/peptide.py", line 3, in <module>
    import openbabel
  File "/usr/lib/python2.7/dist-packages/openbabel.py", line 46, in <module>
    from new import instancemethod as new_instancemethod
  File "/home/zebrafish/Desktop/edited_ds/new/new.py", line 4, in <module>
    from fragbuilder import peptide
ImportError: cannot import name peptide

what should be the probable cause of this error: please suggest thanks

It looks like your file is called new.py instead of test.py (see second line of backtrace) and that somewhere in the openbabel module imported in the fragbuilder package, something expects a module called new. So your local new.py is shadowing the expected new module and the import fails. — Francis Colas
– Francis Colas, Commented Apr 15, 2015 at 7:43

user3159253 · Accepted Answer · 2015-04-15 07:40:26Z

1

Likely you have added new.py to /home/zebrafish/Desktop/edited_ds/new/ which interfers with python builtin new module (should be located at /usr/lib/python2.7/new.py)

Recipe: rename new.py in your project to something else.

answered Apr 15, 2015 at 7:40

user3159253

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1 Comment

jax Over a year ago

yes its true, after renaming the "new.py" everything is working smoothly thanks a lot.

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