python3Packages.fastapi: use httpx in optional dependencies

And explicitly add httpx2 to tests inputs. This is a fixup to commit
40d7bc5a60 .

pkgs/development/python-modules/fastapi/default.nix

@@ -18,6 +18,7 @@
   a2wsgi,
   dirty-equals,
   flask,
+  httpx2,
   inline-snapshot,
   pwdlib,
   pyjwt,
@@ -27,7 +28,7 @@
 
   # optional-dependencies
   fastapi-cli,
-  httpx2,
+  httpx,
   jinja2,
   itsdangerous,
   python-multipart,
@@ -64,7 +65,7 @@ buildPythonPackage (finalAttrs: {
   optional-dependencies = {
     all = [
       fastapi-cli
-      httpx2
+      httpx
       jinja2
       python-multipart
       itsdangerous
@@ -79,7 +80,7 @@ buildPythonPackage (finalAttrs: {
     standard = [
       fastapi-cli
       # FIXME package fastar
-      httpx2
+      httpx
       jinja2
       python-multipart
       email-validator
@@ -91,7 +92,7 @@ buildPythonPackage (finalAttrs: {
     ++ uvicorn.optional-dependencies.standard;
     standard-no-fastapi-cloud-cli = [
       fastapi-cli
-      httpx2
+      httpx
       jinja2
       python-multipart
       email-validator
@@ -109,6 +110,7 @@ buildPythonPackage (finalAttrs: {
     a2wsgi
     dirty-equals
     flask
+    httpx2
     inline-snapshot
     pwdlib
     pyjwt