Fix indentation error

app.py

@@ -41,7 +41,7 @@ if cost_function == 'RMSE-Loss':
      st.latex(r'''\ell(X, y, w)=\frac{1}{m}||Xw - y||_{2}^2''')
      st.latex(r'''\ell(X, y, w)=\frac{1}{m}\big(\sqrt{(Xw - y)\cdot(Xw - y)}\big)^2''')
      st.latex(r'''\ell(X, y, w)= \frac{1}{m}\sum_1^m (\hat{y}_i - y_i)^2''')
- else:
+else:
      st.write("You selected the Huber loss function.")
      st.latex(r'''
 \ell_{H} =