From 2b7f0545881dad7df5c53a81aa3437d246eb0567 Mon Sep 17 00:00:00 2001
From: darksidecat <58224121+darksidecat@users.noreply.github.com>
Date: Wed, 27 Oct 2021 23:05:39 +0300
Subject: [PATCH] delete unused Router.chain property

---
 aiogram/dispatcher/router.py         |  7 -------
 tests/test_dispatcher/test_router.py | 15 ---------------
 2 files changed, 22 deletions(-)

diff --git a/aiogram/dispatcher/router.py b/aiogram/dispatcher/router.py
index 8f2df80b..c8333c3e 100644
--- a/aiogram/dispatcher/router.py
+++ b/aiogram/dispatcher/router.py
@@ -158,13 +158,6 @@ class Router:
         for router in self.sub_routers:
             yield from router.chain_tail
 
-    @property
-    def chain(self) -> Generator[Router, None, None]:
-        yield from self.chain_head
-        tail = self.chain_tail
-        next(tail)  # Skip self
-        yield from tail
-
     @property
     def parent_router(self) -> Optional[Router]:
         return self._parent_router
diff --git a/tests/test_dispatcher/test_router.py b/tests/test_dispatcher/test_router.py
index c021d46b..56821f46 100644
--- a/tests/test_dispatcher/test_router.py
+++ b/tests/test_dispatcher/test_router.py
@@ -135,21 +135,6 @@ class TestRouter:
 
         assert await r1.propagate_event(update_type="message", event=None) is UNHANDLED
 
-    async def test_router_chain(self):
-        r1 = Router(name="Router 1")
-        r2_1 = Router(name="Router 2-1")
-        r2_2 = Router(name="Router 2-2")
-        r3 = Router(name="Router 3")
-
-        r1.include_router(r2_1)
-        r1.include_router(r2_2)
-        r2_1.include_router(r3)
-
-        assert tuple(r1.chain) == (r1, r2_1, r3, r2_2)
-        assert tuple(r2_1.chain) == (r2_1, r1, r3)
-        assert tuple(r3.chain) == (r3, r2_1, r1)
-        assert tuple(r2_2.chain) == (r2_2, r1)
-
     async def test_router_chain_tail(self):
         r1 = Router(name="Router 1")
         r2_1 = Router(name="Router 2-1")