Update app.py

app.py

@@ -2,7 +2,7 @@ import pandas as pd
 import streamlit as st
 import numpy as np
 import matplotlib.pyplot as plt
-from sklearn.metrics import mean_squared_error,r2_score
+from sklearn.metrics import r2_score
 from sklearn.linear_model import LinearRegression
 from sklearn.model_selection import train_test_split
 import seaborn as sns