1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index a1fab99f6b..1f4264ad7e 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -166,8 +166,7 @@ def login_id_phone_to_thirdparty(identifier: JsonDict) -> Dict[str, str]:
     if "country" not in identifier or (
         # The specification requires a "phone" field, while Synapse used to require a "number"
         # field. Accept both for backwards compatibility.
-        "phone" not in identifier
-        and "number" not in identifier
+        "phone" not in identifier and "number" not in identifier
     ):
         raise SynapseError(
             400, "Invalid phone-type identifier", errcode=Codes.INVALID_PARAM