Hi Dori,

If you haven’t updated galaxy or manipulated the eggs at all, then it might be 
an updated system python module interfering with galaxy’s resolution of the 
pyyaml we ship.  Can you try running galaxy from an clean virtualenv? 
(https://wiki.galaxyproject.org/Admin/Config/Performance/ProductionServer#Use_a_clean_environment)

If that’s not it, or you’d rather try something else, I’d probably suggest 
wiping out galaxy’s eggs (or just moving the folder to eggs_backup or the like) 
to force Galaxy to fetch all new eggs at the next restart, and see if that 
resolves it.

-Dannon


On Jul 29, 2014, at 9:40 AM, Sajdak, Doris <dj...@buffalo.edu> wrote:

> I’m suddenly getting this error today when I tried to restart Galaxy:
>  
> Starting galaxy...
> Some eggs are out of date, attempting to fetch...
> Warning: setuptools (a dependent egg of sqlalchemy-migrate) cannot be fetched
> Fetched http://eggs.galaxyproject.org/bioblend/bioblend-0.4.2-py2.7.egg
> One of Galaxy's managed eggs depends on something which is missing, this is 
> almost certainly a bug in the egg distribution.
> Dependency "bioblend" requires "pyyaml"
> Traceback (most recent call last):
>   File "./scripts/fetch_eggs.py", line 37, in <module>
>     c.resolve() # Only fetch eggs required by the config
>   File "/ifs/user/galaxy/galaxy-dist/lib/galaxy/eggs/__init__.py", line 345, 
> in resolve
>     egg.resolve()
>   File "/ifs/user/galaxy/galaxy-dist/lib/galaxy/eggs/__init__.py", line 168, 
> in resolve
>     dists = pkg_resources.working_set.resolve( ( 
> self.distribution.as_requirement(), ), env, self.fetch )
>   File "/ifs/user/galaxy/galaxy-dist/lib/pkg_resources.py", line 569, in 
> resolve
>     raise VersionConflict(dist,req) # XXX put more info here
> pkg_resources.VersionConflict: (bioblend 0.4.2 
> (/ifs/user/galaxy/galaxy-dist/eggs/bioblend-0.4.2-py2.7.egg), 
> Requirement.parse('pyyaml'))
>  
> pyyaml is installed and I haven’t updated anything that would cause a 
> conflict.  What do I do to fix this?
>  
> Thanks,
> Dori
>  
> **********************************
> Dori Sajdak
> Senior Systems Administrator
> State University of NY at Buffalo
> Center for Computational Research
> 701 Ellicott St
> Buffalo, NY 14203
> Phone: (716) 881-8934
> Fax: (716) 849-6656
> Web: http://ccr.buffalo.edu
> **********************************
>  
>  
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