[rh:requests] Refactor default headers (#13785)

Authored by: bashonly
5 days ago · a4561c7a66
parent 32809eb2da
commit a4561c7a66
1 changed files with 2 additions and 1 deletions
--- a/yt_dlp/networking/_requests.py
+++ b/yt_dlp/networking/_requests.py
@ -313,7 +313,7 @@ class RequestsRH(RequestHandler, InstanceStoreMixin):
            max_retries=urllib3.util.retry.Retry(False),
        )
        session.adapters.clear()
-        session.headers = requests.models.CaseInsensitiveDict({'Connection': 'keep-alive'})
+        session.headers = requests.models.CaseInsensitiveDict()
        session.mount('https://', http_adapter)
        session.mount('http://', http_adapter)
        session.cookies = cookiejar
@ -322,6 +322,7 @@ class RequestsRH(RequestHandler, InstanceStoreMixin):

    def _prepare_headers(self, _, headers):
        add_accept_encoding_header(headers, SUPPORTED_ENCODINGS)
+        headers.setdefault('Connection', 'keep-alive')

    def _send(self, request):