Removed shadow and source.reverse statements and removed the statements where...

Removed shadow and source.reverse statements and removed the statements where the shadowed attribute was set to True when words were aligned due to some mistake.

umbra/needleman_wunsch.py

@@ -156,9 +156,6 @@ class NeedlemanWunsch(AlignmentStrategy):
                     self._shadow[i - 1].mistake = Mistake.REPETITION
                 i -= 1
 
-        alignment_source.reverse()
-        alignment_shadow.reverse()
-
     def _check_repetition(self, index):
         """Check whether the ShadowWord at the given index is repeated.
 
@@ -223,17 +220,14 @@ class NeedlemanWunsch(AlignmentStrategy):
             shadow.correct = True
             source.shadow = shadow
         elif self._seman_checker.related(source.word, shadow.word):
-            source.shadowed = True
             source.mistake = Mistake.SEMANTIC
             shadow.mistake = Mistake.SEMANTIC
             source.shadow = shadow
         elif self._form_checker.related(source.word, shadow.word):
-            source.shadowed = True
             source.mistake = Mistake.FORM
             shadow.mistake = Mistake.FORM
             source.shadow = shadow
         elif self._phon_checker.related(source.word, shadow.word):
-            source.shadowed = True
             source.mistake = Mistake.PHONETIC
             shadow.mistake = Mistake.PHONETIC
             source.shadow = shadow