
Traceback (most recent call last):

 "x.py", line 7, in <module>
a.token = 1
AttributeError: can't set attribute
Traceback (most recent call last):

 "/usr/local/lib/python2.7/dist-packages/cwltool/executors.py", line 168, in run_jobs
for job in jobiter:

 "/usr/local/lib/python2.7/dist-packages/cwltool/command_line_tool.py", line 455, in job
reffiles, builder.stagedir, runtimeContext, True)

 "/usr/local/lib/python2.7/dist-packages/toil/cwl/cwltoil.py", line 274, in make_path_mapper
runtimeContext.toil_get_file)

 "/usr/local/lib/python2.7/dist-packages/toil/cwl/cwltoil.py", line 228, in __init__
referenced_files, basedir, stagedir, separateDirs=separateDirs)

 "/usr/local/lib/python2.7/dist-packages/cwltool/pathmapper.py", line 262, in __init__
self.setup(dedup(referenced_files), basedir)

 "/usr/local/lib/python2.7/dist-packages/cwltool/pathmapper.py", line 319, in setup
self.visit(fob, stagedir, basedir, copy=fob.get("writable"), staged=True)

 "/usr/local/lib/python2.7/dist-packages/toil/cwl/cwltoil.py", line 262, in visit
stagedir, basedir, copy=copy, staged=staged)

 "/usr/local/lib/python2.7/dist-packages/cwltool/pathmapper.py", line 267, in visitlisting
self.visit(ld, stagedir, basedir, copy=ld.get("writable", copy), staged=staged)

 "/usr/local/lib/python2.7/dist-packages/toil/cwl/cwltoil.py", line 255, in visit
resolved = self.get_file(loc) if self.get_file else loc

 "/usr/local/lib/python2.7/dist-packages/toil/cwl/cwltoil.py", line 309, in toil_get_file
src_path = file_store.readGlobal
(
ID.unpack(file_store_id[7:]))

 "/usr/local/lib/python2.7/dist-packages/toil/fileStores/caching
Store.py", line 1060, in readGlobal

return self._readGlobal
WithCache(fileStoreID, local
Path, symlink, readerID)

 "/usr/local/lib/python2.7/dist-packages/toil/fileStores/caching
Store.py", line 1427, in _readGlobal
WithCache
(fileStoreID, cachedPath, self.getGlobal
Size(fileStoreID), 'downloading', pid))OperationalError: database is locked