Update app.py

app.py

@@ -70,7 +70,7 @@ def get_frames(video_in, step, name, resize_n):
         ret, frame = cap.read()
         if ret == False:
             break
-        frame = cv2.resize(frame, (int(resize_n), int(resize_n/2))) 
+        frame = cv2.resize(frame, (int(resize_n), int(resize_n/2.0))) 
         cv2.imwrite(f"{name}_{step}{str(i)}.jpg",frame)
         frames.append(f"{name}_{step}{str(i)}.jpg")
         i+=1