From 45e104acbd1f809dafccc1f92c821663a8d7253a Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 1 Oct 2024 09:58:57 -0500
Subject: [PATCH] reduce indent

---
 aiohttp/client_reqrep.py | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/aiohttp/client_reqrep.py b/aiohttp/client_reqrep.py
index bbbc12329f..aa3048281b 100644
--- a/aiohttp/client_reqrep.py
+++ b/aiohttp/client_reqrep.py
@@ -380,15 +380,17 @@ def update_headers(self, headers: Optional[LooseHeaders]) -> None:
         self.headers[hdrs.HOST] = host
 
         if headers:
-            if isinstance(headers, (dict, MultiDictProxy, MultiDict)):
-                headers = headers.items()
+            return
 
-            for key, value in headers:  # type: ignore[misc]
-                # A special case for Host header
-                if key.lower() == "host":
-                    self.headers[key] = value
-                else:
-                    self.headers.add(key, value)
+        if isinstance(headers, (dict, MultiDictProxy, MultiDict)):
+            headers = headers.items()
+
+        for key, value in headers:  # type: ignore[misc]
+            # A special case for Host header
+            if key.lower() == "host":
+                self.headers[key] = value
+            else:
+                self.headers.add(key, value)
 
     def update_auto_headers(self, skip_auto_headers: Optional[Iterable[str]]) -> None:
         if skip_auto_headers is not None: