Expose FunctionAuth in __all__ (#3699)

Co-authored-by: Kar Petrosyan <92274156+karpetrosyan@users.noreply.github.com>
Co-authored-by: Kar Petrosyan <kar.petrosyanpy@gmail.com>

CHANGELOG.md

@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 * Drop support for Python 3.8
 
+### Added
+
+* Expose `FunctionAuth` from the public API. (#3699)
+
 ## 0.28.1 (6th December, 2024)
 
 * Fix SSL case where `verify=False` together with client side certificates.

httpx/__init__.py

@@ -50,6 +50,7 @@ __all__ = [
     "DecodingError",
     "delete",
     "DigestAuth",
+    "FunctionAuth",
     "get",
     "head",
     "Headers",

httpx/_auth.py

@@ -16,7 +16,7 @@ if typing.TYPE_CHECKING:  # pragma: no cover
     from hashlib import _Hash
 
 
-__all__ = ["Auth", "BasicAuth", "DigestAuth", "NetRCAuth"]
+__all__ = ["Auth", "BasicAuth", "DigestAuth", "FunctionAuth", "NetRCAuth"]
 
 
 class Auth: