From b61cc04e9a0f9e2aded008abf90b300cf3c915d4 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Mon, 13 Jan 2020 21:30:06 +0200
Subject: [PATCH] Remove kwargs copy in TelegramEventObserver.trigger and
 remove __deepcopy__ method from AiohttpSession

---
 aiogram/api/client/session/aiohttp.py              | 14 --------------
 aiogram/dispatcher/event/observer.py               |  5 ++---
 .../test_session/test_aiohttp_session.py           |  8 --------
 3 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/aiogram/api/client/session/aiohttp.py b/aiogram/api/client/session/aiohttp.py
index 28ca6db0..caced193 100644
--- a/aiogram/api/client/session/aiohttp.py
+++ b/aiogram/api/client/session/aiohttp.py
@@ -60,17 +60,3 @@ class AiohttpSession(BaseSession):
     async def __aenter__(self) -> AiohttpSession:
         await self.create_session()
         return self
-
-    def __deepcopy__(self: T, memo: Optional[Dict[int, Any]] = None) -> T:
-        if memo is None:  # pragma: no cover
-            # This block was never be called
-            memo = {}
-
-        cls = self.__class__
-        result = cls.__new__(cls)
-        memo[id(self)] = result
-        for key, value in self.__dict__.items():
-            # aiohttp ClientSession cannot be copied.
-            copied_value = copy.deepcopy(value, memo=memo) if key != "_session" else None
-            setattr(result, key, copied_value)
-        return result
diff --git a/aiogram/dispatcher/event/observer.py b/aiogram/dispatcher/event/observer.py
index 40afc180..fdec4fc6 100644
--- a/aiogram/dispatcher/event/observer.py
+++ b/aiogram/dispatcher/event/observer.py
@@ -155,12 +155,11 @@ class TelegramEventObserver(EventObserver):
         Handler will be called when all its filters is pass.
         """
         for handler in self.handlers:
-            kwargs_copy = copy.copy(kwargs)
             result, data = await handler.check(*args, **kwargs)
             if result:
-                kwargs_copy.update(data)
+                kwargs.update(data)
                 try:
-                    yield await handler.call(*args, **kwargs_copy)
+                    yield await handler.call(*args, **kwargs)
                 except SkipHandler:
                     continue
                 break
diff --git a/tests/test_api/test_client/test_session/test_aiohttp_session.py b/tests/test_api/test_client/test_session/test_aiohttp_session.py
index ac93b1a7..2ebcc7b4 100644
--- a/tests/test_api/test_client/test_session/test_aiohttp_session.py
+++ b/tests/test_api/test_client/test_session/test_aiohttp_session.py
@@ -123,11 +123,3 @@ class TestAiohttpSession:
                 assert session == ctx
             mocked_close.awaited_once()
             mocked_create_session.awaited_once()
-
-    @pytest.mark.asyncio
-    async def test_deepcopy(self):
-        # Session should be copied without aiohttp.ClientSession
-        async with AiohttpSession() as session:
-            cloned_session = copy.deepcopy(session)
-            assert cloned_session != session
-            assert cloned_session._session is None