pylint -> ImportError: No module named lazy_object_proxy

[Peter Otten]

Michael Ströder wrote:

> HI!
> 
> Hmm, I've used pylint before but my current installation gives me an
> ImportError:
> 
> $ pylint
> Traceback (most recent call last):
>   File "/usr/bin/pylint", line 3, in <module>
>     run_pylint()
>   File "/usr/lib/python2.7/site-packages/pylint/__init__.py", line 22, in
>   run_pylint
>     from pylint.lint import Run
>   File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 44, in
>   <module>
>     import astroid
>   File "/usr/lib/python2.7/site-packages/astroid/__init__.py", line 54, in
>   <module>
>     from astroid.nodes import *
>   File "/usr/lib/python2.7/site-packages/astroid/nodes.py", line 39, in
>   <module>
>     from astroid.node_classes import (
>   File "/usr/lib/python2.7/site-packages/astroid/node_classes.py", line
>   24, in
> <module>
>     import lazy_object_proxy
> ImportError: No module named lazy_object_proxy
> 
> Can anybody here give me a hint what's missing?
> six, astroid and tk modules are installed.
> Any more dependencies?

How about the dependencies' dependencies? Grepping through the astroid 
source finds

./astroid/__pkginfo__.py:install_requires = ['six', 'lazy_object_proxy', 
'wrapt']

But doesn't pip care of these?