ConceptLexerParser can how handle UnrecognizedTokens

tests/test_sheerka_non_reg.py

@@ -7,6 +7,7 @@ from core.builtin_concepts import BuiltinConcepts, ReturnValueConcept
 from core.concept import Concept, PROPERTIES_TO_SERIALIZE, Property
 from core.sheerka import Sheerka, ExecutionContext
 from evaluators.MutipleSameSuccessEvaluator import MultipleSameSuccessEvaluator
+from parsers.BaseParser import BaseParser
 from parsers.ConceptLexerParser import Sequence, ZeroOrMore, StrMatch, OrderedChoice, Optional, ConceptMatch, \
     ConceptLexerParser
 from sdp.sheerkaDataProvider import SheerkaDataProvider, Event
@@ -291,7 +292,7 @@ def test_i_can_manage_concepts_with_the_same_key_when_values_are_the_same():
     res = sheerka.evaluate_user_input("hello 'foo'")
     assert len(res) == 1
     assert res[0].status
-    assert res[0].value.body == "hello foo" # I don't know yet the one to choose
+    assert res[0].value.body == "hello foo"  # I don't know yet the one to choose
     assert res[0].who == sheerka.get_evaluator_name(MultipleSameSuccessEvaluator.NAME)