Fix sending quiz polls

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## unreleased
 
+### Fixed
+
+- Serialization of `SendPoll::type_` (it's now possible to send quiz polls) ([#181][pr181])
+
+[pr181]: https://github.com/teloxide/teloxide-core/pull/181
+
 ### Added
 
 - `Payload::timeout_hint` method to properly handle long running requests like `GetUpdates` ([#180][pr180])

src/payloads/send_poll.rs

@@ -29,6 +29,7 @@ impl_payload! {
             /// True, if the poll needs to be anonymous, defaults to True
             pub is_anonymous: bool,
             /// Poll type, “quiz” or “regular”, defaults to “regular”
+            #[serde(rename = "type")]
             pub type_: PollType,
             /// True, if the poll allows multiple answers, ignored for polls in quiz mode, defaults to False
             pub allows_multiple_answers: bool,