CI addition, slight code modification

polem_lemmatizer.py

+"""Implementation of polem service."""
 import WrapLem
 import lex_ws
 
 
 class Polem(lex_ws.LexWorker):
+    """Implements lex_worker for polem service. It's a mock object."""
     @classmethod
     def static_init(cls, config):
+        """Class constructor."""
         pass
 
     @classmethod
     def static_close(cls):
+        """."""
         pass
 
     def init(self):
+        """Initializes lemmatizer."""
         self._lemmatizer = WrapLem.CascadeLemmatizer.assembleLemmatizer()
 
-    def processold(self, task_options):
-        output = []
-        for lexeme in task_options['lexeme_polem']:
-            output.append(self._lemmatizer.lemmatizeS(lexeme[0], lexeme[1], lexeme[2], False))
-        return output
-        
     def process(self, task_options):
+        """Runs single polem task."""
         output = []
         for lexeme in task_options['lexeme_polem']:
             if len(lexeme) == 3:
-                  output.append(self._lemmatizer.lemmatizeS(lexeme[0], lexeme[1], lexeme[2], False))
+                output.append(self._lemmatizer.lemmatizeS(
+                    lexeme[0], lexeme[1], lexeme[2], False))
             elif len(lexeme) == 5:
-                  output.append(self._lemmatizer.lemmatizeS(lexeme[0], lexeme[1], lexeme[2], lexeme[3], lexeme[4], False))
+                output.append(self._lemmatizer.lemmatizeS(
+                    lexeme[0], lexeme[1], lexeme[2], lexeme[3], lexeme[4], False))
             else:
                 raise Exception("Invalid number of arguments")
         return output
 
+
 if __name__ == '__main__':
     lex_ws.LexService.main(Polem)