From f32a22701d0fe19d13d1daa8e5d010ce5ef36b9c Mon Sep 17 00:00:00 2001
From: Adam Bannister <adam.p.bannister@gmail.com>
Date: Thu, 17 Oct 2019 22:00:36 +0200
Subject: [PATCH 1/3] add more types to LooseCookies #4205

---
 aiohttp/cookiejar.py |  2 +-
 aiohttp/typedefs.py  | 11 ++++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/aiohttp/cookiejar.py b/aiohttp/cookiejar.py
index ac102bfc487..2d858de0e18 100644
--- a/aiohttp/cookiejar.py
+++ b/aiohttp/cookiejar.py
@@ -124,7 +124,7 @@ def update_cookies(self,
             return
 
         if isinstance(cookies, Mapping):
-            cookies = cookies.items()  # type: ignore
+            cookies = cookies.items()
 
         for name, cookie in cookies:
             if not isinstance(cookie, Morsel):
diff --git a/aiohttp/typedefs.py b/aiohttp/typedefs.py
index 3c42f6abe30..278d8801e83 100644
--- a/aiohttp/typedefs.py
+++ b/aiohttp/typedefs.py
@@ -29,7 +29,7 @@
     _CIMultiDictProxy = CIMultiDictProxy[str]
     _MultiDict = MultiDict[str]
     _MultiDictProxy = MultiDictProxy[str]
-    from http.cookies import BaseCookie  # noqa
+    from http.cookies import BaseCookie, Morsel  # noqa
 else:
     _CIMultiDict = CIMultiDict
     _CIMultiDictProxy = CIMultiDictProxy
@@ -43,8 +43,13 @@
                      _CIMultiDictProxy]
 RawHeaders = Tuple[Tuple[bytes, bytes], ...]
 StrOrURL = Union[str, URL]
-LooseCookies = Union[Iterable[Tuple[str, 'BaseCookie[str]']],
-                     Mapping[str, 'BaseCookie[str]'], 'BaseCookie[str]']
+LooseCookies = Union[
+    Iterable[Tuple[str, 'BaseCookie[str]']],
+    Iterable[Tuple[str, 'Morsel[Any]']],
+    Mapping[str, 'BaseCookie[str]'],
+    Mapping[str, 'Morsel[Any]'],
+    'BaseCookie[str]',
+]
 
 
 if sys.version_info >= (3, 6):

From 87fed7ca608427beff3c02d858562bde0c3e86d4 Mon Sep 17 00:00:00 2001
From: Adam Bannister <adam.p.bannister@gmail.com>
Date: Thu, 17 Oct 2019 22:45:26 +0200
Subject: [PATCH 2/3] predefine the Union types for LooseCookies

---
 aiohttp/typedefs.py | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/aiohttp/typedefs.py b/aiohttp/typedefs.py
index 278d8801e83..d96f69d2e28 100644
--- a/aiohttp/typedefs.py
+++ b/aiohttp/typedefs.py
@@ -43,11 +43,16 @@
                      _CIMultiDictProxy]
 RawHeaders = Tuple[Tuple[bytes, bytes], ...]
 StrOrURL = Union[str, URL]
+
+StrBaseCookieTuples = Iterable[Tuple[str, 'BaseCookie[str]']]
+StrMorselTuples = Iterable[Tuple[str, 'Morsel[str]']]
+StrToBaseCookieMapping = Mapping[str, 'BaseCookie[str]']
+StrToMorselMapping = Mapping[str, 'Morsel[Any]']
 LooseCookies = Union[
-    Iterable[Tuple[str, 'BaseCookie[str]']],
-    Iterable[Tuple[str, 'Morsel[Any]']],
-    Mapping[str, 'BaseCookie[str]'],
-    Mapping[str, 'Morsel[Any]'],
+    StrBaseCookieTuples,
+    StrMorselTuples,
+    StrToBaseCookieMapping,
+    StrToMorselMapping,
     'BaseCookie[str]',
 ]
 

From e68171d947ba418e5c031655a9cc1fa2af7686c4 Mon Sep 17 00:00:00 2001
From: Adam Bannister <adam.p.bannister@gmail.com>
Date: Thu, 17 Oct 2019 22:49:25 +0200
Subject: [PATCH 3/3] add CHANGES fragment

---
 CHANGES/4218.misc | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 CHANGES/4218.misc

diff --git a/CHANGES/4218.misc b/CHANGES/4218.misc
new file mode 100644
index 00000000000..1cb60297f81
--- /dev/null
+++ b/CHANGES/4218.misc
@@ -0,0 +1 @@
+Add two more types to LooseCookies.