diff --git a/src/controller/view_utils/signal_reduce_input_utils.rs b/src/controller/view_utils/signal_reduce_input_utils.rs
index 214790b..3d9401e 100644
--- a/src/controller/view_utils/signal_reduce_input_utils.rs
+++ b/src/controller/view_utils/signal_reduce_input_utils.rs
@@ -1,7 +1,7 @@
 use gtk4 as gtk;
 
 use crate::controller::model_utils::signal_reducer::*;
-use crate::model::model::SchemeCharacteristics;
+use crate::model::models::SchemeCharacteristics;
 use gtk::{prelude::*, *};
 
 pub fn check_characteristics(
@@ -24,7 +24,7 @@ pub fn check_characteristics(
                 println!("{:?}", int);
             }
             Err(err) => {
-                if output.len() == 0 {
+                if output.is_empty() {
                     output.push_str("Введите пожалуйста числа в полях");
                     println!("{:?}", err);
                 }
@@ -32,11 +32,7 @@ pub fn check_characteristics(
         }
     }
 
-    if output.len() != 0 {
-        false
-    } else {
-        true
-    }
+    !output.is_empty()
 }
 
 pub fn start_algorithm(
@@ -48,7 +44,7 @@ pub fn start_algorithm(
     let mut all_inputs_data: Vec<f64> = Vec::new();
     let mut output: String = String::new();
 
-    if let false = check_characteristics(raw_characteristics, &mut all_inputs_data, &mut output) {
+    if !check_characteristics(raw_characteristics, &mut all_inputs_data, &mut output) {
         error_log_label.set_text(output.as_str());
     } else {
         error_log_label.set_text("");