Fix get_gramatical_number method

modules/m_apvoice.py

@@ -95,7 +95,8 @@ class APVoice:
         dobj_data: List[List[Tuple[str,str,str]]]
     ) -> Union[str, None]:
 
-        result = [tag for _,dep,tag in dobj_data if dep == 'dobj']
+        allowed_tag = ['NN','NNP','NNS']
+        result = [tag for _,dep,tag in dobj_data if dep == 'dobj' and dep in allowed_tag]
         if len(result) == 0:
             result = None
         else:
@@ -237,6 +238,9 @@ class APVoice:
         _, neg_data, main_data = verb_data
         neg = " not" if len(neg_data) > 0 else ""
         gramatical_number = self.get_gramatical_number(dobj_data)
+        raise RuntimeError(
+                f"Error: The gramatical number has not been possible to determinate!"
+            ) 
         if debug: print(gramatical_number)
         p_tobe = self.Tense[verbal_tense].value['tobe'][gramatical_number].format(neg)
         p_verb = self.verb2participle(main_data[0][0].text)