Update app.py

app.py

@@ -55,7 +55,7 @@ def chamada():
               width  = vcap.get(3)   # float `width`
               height = vcap.get(4)  # float `height`
               fps = vcap.get(5)
-          os.system("ffmpeg -i inputvideo -compression_level 10 -pred mixed -pix_fmt rgb24 -sws_flags +accurate_rnd+full_chroma_int -s "+str(width)+"x"+str(height)+"  -r   "+fps+" ./_input/imagem-%4d.png")
+          os.system("ffmpeg -i inputvideo -compression_level 10 -pred mixed -pix_fmt rgb24 -sws_flags +accurate_rnd+full_chroma_int -s "+str(int(width))+"x"+str(int(height))+"  -r   "+str(int(fps))+" ./_input/imagem-%4d.png")
           percent_complete= percent_complete+ 30
           with col1:
            my_bar.progress(percent_complete )