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[mypy] Fix error: "type" has no attribute "type"

Nsukami Patrick requested to merge topic/default/fix-boundconstrain-type-attribute into branch/default

Error:

yams/constraints.py:461: error: "type" has no attribute "type" BoundConstraint.type = lambda x: "BoundaryConstraint"

Fix:

Add a method named "type" inside the BoundaryConstraint class. This method should explicitely return the string "BoundaryConstraint". Finally, remove the dynamically added type attribute.

Check:

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> PDB set_trace (IO-capturing turned off)                                                     
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>                                                                                            
> /home/ubuntu/yams/yams/constraints.py(464)<module>()                                                                                          
-> _("value %(KEY-value)s must be < %(KEY-boundary)s")                                                                                          
(Pdb) l                                                                                                                                         
459                                                                                                                                             
460     BoundConstraint = class_renamed("BoundConstraint", BoundaryConstraint)                                                                  
461                                                                                                                                             
462     breakpoint()                                                                                                                            
463                                                                                                                                             
464  -> _("value %(KEY-value)s must be < %(KEY-boundary)s")                                                                                     
465     _("value %(KEY-value)s must be > %(KEY-boundary)s")                                                                                     
466     _("value %(KEY-value)s must be <= %(KEY-boundary)s")                                                                                    
467     _("value %(KEY-value)s must be >= %(KEY-boundary)s")                                                                                    
468                                                                                                                                             
469                                                                                                                                             
(Pdb) foo = BoundConstraint("<=")                                                                                                               
(Pdb) foo.type()                                                                                                                                
'BoundaryConstraint'                                                                                                                            
(Pdb)

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