Fix ProxyMode for code in dispatch/proxy_http (#788)

FORWARD_ONLY seems correct

diff --git a/httpx/config.py b/httpx/config.py
index 99f9538da87aaca1cee271f775667195956740bc..64c3c3307dcc2c26a2d29a47186332dc2e651633 100644 (file)
--- a/httpx/config.py
+++ b/httpx/config.py
@@ -323,7 +323,7 @@ class Proxy:
 
         if url.scheme not in ("http", "https"):
             raise ValueError(f"Unknown scheme for proxy URL {url!r}")
-        if mode not in ("DEFAULT", "CONNECT_ONLY", "TUNNEL_ONLY"):
+        if mode not in ("DEFAULT", "FORWARD_ONLY", "TUNNEL_ONLY"):
             raise ValueError(f"Unknown proxy mode {mode!r}")
 
         if url.username or url.password: