From 0fddb7fef6de455bca7110266633df8341e90f21 Mon Sep 17 00:00:00 2001
From: Erez Sh <erezshin@gmail.com>
Date: Tue, 17 Aug 2021 11:14:39 +0300
Subject: [PATCH] Replace '...' with 'NotImplemented'

---
 lark/indenter.py | 12 ++++++------
 lark/lexer.py    |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lark/indenter.py b/lark/indenter.py
index 0a18347..a4bbb24 100644
--- a/lark/indenter.py
+++ b/lark/indenter.py
@@ -74,31 +74,31 @@ class Indenter(PostLex, ABC):
     @property
     @abstractmethod
     def NL_type(self) -> str:
-        ...
+        return NotImplemented
 
     @property
     @abstractmethod
     def OPEN_PAREN_types(self) -> List[str]:
-        ...
+        return NotImplemented
 
     @property
     @abstractmethod
     def CLOSE_PAREN_types(self) -> List[str]:
-        ...
+        return NotImplemented
 
     @property
     @abstractmethod
     def INDENT_type(self) -> str:
-        ...
+        return NotImplemented
 
     @property
     @abstractmethod
     def DEDENT_type(self) -> str:
-        ...
+        return NotImplemented
 
     @property
     @abstractmethod
     def tab_len(self) -> int:
-        ...
+        return NotImplemented
 
 ###}
diff --git a/lark/lexer.py b/lark/lexer.py
index 173b3f5..512e8ff 100644
--- a/lark/lexer.py
+++ b/lark/lexer.py
@@ -359,7 +359,7 @@ class Lexer(ABC):
     """
     @abstractmethod
     def lex(self, lexer_state: LexerState, parser_state: Any) -> Iterator[Token]:
-        ...
+        return NotImplemented
 
     def make_lexer_state(self, text):
         line_ctr = LineCounter(b'\n' if isinstance(text, bytes) else '\n')