update app.py

app.py

@@ -22,7 +22,7 @@ path = ""  # Update with your path
 
 def safe_read(i: int, a: list):
     if i > len(a):
-        return None
+        return 0
     else:
         return a[i]
 
@@ -39,7 +39,7 @@ def getRenderCords(ta: list, idx: int, res: int = 1024, size: tuple = (1280, 720
     while i < idx + (res // 2):
         c.append((x, y))
         i += 1
-        y = (ta[i] - 128) * (size[1] / 2000) + (size[1] * .7 / -2)
+        y = (safe_read(i,ta) - 128) * (size[1] / 2000) + (size[1] * .7 / -2)
         x += (size[0] * .9) / res
     return c
 
@@ -54,7 +54,7 @@ def totopleft(coord, width=1280, height=720):
 
 def getTrigger(ad: int, a: list, max: int = 1024) -> int:
     i = ad
-    while not (safe_read(i,a) < 124 and safe_read(i,a+2) < 128 or i - ad > max):
+    while not (safe_read(i,a) < 124 and safe_read(i+2,a) < 128 or i - ad > max):
         i += 1
     return i