serde::export -> std::fmt

CHANGELOG.md

@@ -25,6 +25,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [issue 253]: https://github.com/teloxide/teloxide/issues/253
 [pr 257]: https://github.com/teloxide/teloxide/pull/257
 
+## [0.3.4] - 2020-01-13
+
+### Fixed
+
+ - Failing compilation with `serde::export` ([issue 328](https://github.com/teloxide/teloxide/issues/328)).
+
 ## [0.3.3] - 2020-10-30
 
 ### Fixed

src/types/non_telegram_types/mime_wrapper.rs

@@ -1,6 +1,8 @@
+use std::fmt::Formatter;
+
 use derive_more::From;
 use mime::Mime;
-use serde::{de::Visitor, export::Formatter, Deserialize, Deserializer, Serialize, Serializer};
+use serde::{de::Visitor, Deserialize, Deserializer, Serialize, Serializer};
 
 /// Serializable & deserializable `MIME` wrapper.
 #[derive(Clone, Debug, Eq, Hash, PartialEq, From)]
@@ -19,7 +21,7 @@ struct MimeVisitor;
 impl<'a> Visitor<'a> for MimeVisitor {
     type Value = MimeWrapper;
 
-    fn expecting(&self, formatter: &mut Formatter<'_>) -> Result<(), serde::export::fmt::Error> {
+    fn expecting(&self, formatter: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
         formatter.write_str("mime type")
     }
 

src/utils/command.rs

@@ -44,8 +44,10 @@
 //!
 //! [examples/admin_bot]: https://github.com/teloxide/teloxide/blob/master/examples/admin_bot/
 
-use serde::export::Formatter;
+use std::{
-use std::{error::Error, fmt::Display};
+    error::Error,
+    fmt::{Display, Formatter},
+};
 pub use teloxide_macros::BotCommand;
 
 /// An enumeration of bot's commands.