Update app.py

app.py

@@ -45,7 +45,7 @@ def process_vid(file,cur_frame,every_n):
     try:
         for i in range(start_frame, frame_count-1):
             if count == int(every_n):
-                count = 1
+                count = 0
                 print(i)
                 capture.set(cv2.CAP_PROP_POS_FRAMES, i)
                 ret, frame_f = capture.read(i)