fix MorphAnalyzer.iter_known_word_parses and add a test for it

pymorphy2/analyzer.py

@@ -316,7 +316,7 @@ def iter_known_word_parses(self, prefix=""):
         # XXX: this method currently assumes that
         # units.DictionaryAnalyzer is the first analyzer unit.
         for word, tag, normal_form, para_id, idx in self.dictionary.iter_known_words(prefix):
-            methods = ((self._units[0], word, para_id, idx),)
+            methods = ((self._units[0][0], word, para_id, idx),)
             parse = (word, tag, normal_form, 1.0, methods)
             if self._result_type is None:
                 yield parse

tests/test_analyzer.py

@@ -3,6 +3,7 @@
 import pickle
 import pytest
 import pymorphy2
+from pymorphy2.units.by_lookup import DictionaryAnalyzer
 from pymorphy2.units.by_analogy import UnknownPrefixAnalyzer, KnownPrefixAnalyzer
 from pymorphy2.units.by_hyphen import HyphenatedWordsAnalyzer
 
@@ -324,3 +325,10 @@ def test_normalize_patr_femn(self):
         assert parse.normalized.tag.case == 'nomn'
         assert parse.normalized.tag.gender == 'masc'
 
+
+def test_iter_known_word_parses():
+    parses = list(morph.iter_known_word_parses('приве'))
+    assert any(
+        (p.word=='привет' and isinstance(p.methods_stack[0][0], DictionaryAnalyzer))
+        for p in parses
+    ), parses