Fix warnings

src/data_provider/import.rs

@@ -1,6 +1,4 @@
-use crate::lang::WordData;
+use rusqlite::Connection;
-use rusqlite::fallible_iterator::FallibleIterator;
-use rusqlite::{Connection, MappedRows};
 use serde_json::Value;
 use std::collections::HashMap;
 

src/main.rs

@@ -27,7 +27,7 @@ use crate::quiz::*;
 use crate::repetitions::CardSetSettings;
 use crate::RootMessage::Keyboard;
 use chrono::NaiveDate;
-use iced::{keyboard, Program, Subscription, Theme};
+use iced::{keyboard, Subscription, Theme};
 use iced::{window, Font};
 use iced_core::window::Position;
 use iced_core::Size;

src/word.rs

@@ -6,7 +6,7 @@ use crate::styling::*;
 use crate::word::WordMessage::*;
 use crate::{AppState, RootMessage};
 use iced::widget::button::danger;
-use iced::widget::{button, column, row, rule, scrollable, space, text, text_input};
+use iced::widget::{button, column, row, rule, scrollable, text, text_input};
 use iced::{Element, Fill, Task};
 use std::sync::{Arc, Mutex};