✨

centvrion/ast_nodes.py

@@ -50,7 +50,7 @@ def num_to_int(n, m):
     nums = [single_num_to_int(i, m) for i in chars]
     new_nums = nums.copy()
     for x, num in enumerate(nums[:-3]):
-        if all(num == nums[x+i] for i in range(0,3)):
+        if all(num == nums[x+i] for i in range(0,4)):
             raise Exception(n, "is not a valid roman numeral")
 
     while True: