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Bug #11681

Updated by Peter Amstutz almost 7 years ago

arvados-cwl-runner crashes on Python 2.7 since merging Python 3 compatability: 

 <pre> 
 2017-05-11 13:46:02 arvados.cwl-runner ERROR: Execution failed: unorderable types: str() and <type 'str'> 
 Traceback (most recent call last): 
   File "build/bdist.linux-x86_64/egg/arvados_cwl/__init__.py", line 464, in arv_executor 
     runnable.run(**kwargs) 
   File "build/bdist.linux-x86_64/egg/arvados_cwl/arvcontainer.py", line 70, in run 
     rf.sort(key=lambda k: k.resolved) 
   File "/home/peter/work/scripts/venv/lib/python2.7/site-packages/future/types/newstr.py", line 306, in __lt__ 
     raise TypeError(self.unorderable_err.format(type(other))) 
 TypeError: unorderable types: str() and <type 'str'> 
 </pre> 

 I added logging to print out the types that were being compared (the string contents are all keep references): 

 <pre> 
 [<type 'str'>, 
  <class 'future.types.newstr.newstr'>, 
  <type 'str'>, 
  <type 'str'>, 
  <type 'unicode'>, 
  <type 'str'>, 
  <type 'str'>] 
 </pre> 

 So the problem is that @str@ is comparable to @unicode@, @unicode@ is comparable to @newstr@, but @newstr@ is not comparable to @str@. 

 Tentatively it looks like @KeepLocator.__str__@ might be where the @newstr@ is coming from, but I haven't established that definitively. 

 It seems that @KeepLocator.__str__@ or something similar previously used to return @str@ and is now returning @newstr@. 

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