Update app.py

app.py

@@ -460,7 +460,8 @@ if st.button('Сгенерировать потери'):
     WER_s = sign_x_y(WER_mass[1], WER_mass[2])
     if WER_mass[1]==0:
         col5.metric("WAcc", value = round(WER_mass[2],3), delta = WER_s + str(round((abs(WER_mass[2] - 0.001) / 0.001) * 100.0,3))+'%')
-    col5.metric("WAcc", value = round(WER_mass[2],3), delta = WER_s + str(round((abs(WER_mass[2] - WER_mass[1]) / WER_mass[1]) * 100.0,3))+'%')
+    else:
+        col5.metric("WAcc", value = round(WER_mass[2],3), delta = WER_s + str(round((abs(WER_mass[2] - WER_mass[1]) / WER_mass[1]) * 100.0,3))+'%')
 
     tab1, tab2, tab3, tab4, tab5 = st.tabs(["PESQ", "STOI", "PLCMOSv1", "PLCMOSv2", "WER"])