Equal words are not not marked as related in any kind of way during mistake checking.

umbra/mistake_finder.py

@@ -122,6 +122,8 @@ class MistakeFinder:
         return semantic_mistake
 
     def _check_form_mistake(self, shd_word, index):
+        if shd_word.word == "te":
+            print("te")
         form_mistake = False
         last_shd_index = self._shadow.find_last_matched_shadow(index)
         if last_shd_index < 0:
@@ -207,7 +209,8 @@ class MistakeFinder:
         shd_string = shd_word.word
         src_string = src_word.word
         related = self._seman_checker.semantically_related(src_string,
-                                                           shd_string)
+                                                           shd_string)\
+            and shd_string != src_string
         return related
 
     def form_related(self, src_word, shd_word):
@@ -222,7 +225,8 @@ class MistakeFinder:
         """
         shd_string = shd_word.word
         src_string = src_word.word
-        related = self._form_checker.form_related(src_string, shd_string)
+        related = self._form_checker.form_related(src_string, shd_string) and\
+            shd_string != src_string
         return related
 
     def print_for_nw(self, source, shadow):