Fix find_indices relying on unspecified set iteration order

trans/transpiler/__init__.py

@@ -116,7 +116,7 @@ def find_indices(s, indices: list[int]) -> list[int]:
     results = set()
     i = 0
     j = 0
-    it = iter(set(indices))
+    it = iter(sorted(list(set(indices))))
     current = next(it)
     while i <= len(s):
         if i != len(s) and s[i] == "\x1b":
@@ -142,6 +142,7 @@ assert find_indices("\x1b[48;5;237mmath.abcd\x1b[37m\x1b[39m\x1b[49m", [0, 9]) =
 assert find_indices("abcdef", [2, 5]) == [2, 5]
 assert find_indices("abc\x1b[32mdef", [2, 5]) == [2, 10], find_indices("abc\x1b[32mdef", [2, 5])
 assert find_indices("math.abcd\x1b[37m\x1b[39m", [0, 9]) == [0, 19], find_indices("math.abcd\x1b[37m\x1b[39m", [0, 9])
+assert find_indices('    \x1b[36mprint\x1b[39m(x, y, z)\x1b[37m\x1b[39m', [4, 18]) == [9, 38], find_indices('    \x1b[36mprint\x1b[39m(x, y, z)\x1b[37m\x1b[39m', [4, 18])
 
 sys.excepthook = exception_hook