Update ops.py

Author: BobTheBuidler

mypyc/ir/ops.py

@@ -1047,9 +1047,9 @@ def __init__(self, src: Value, index: int, line: int = -1, *, borrow: bool = Fal
         super().__init__(line)
         self.src = src
         self.index = index
-        assert isinstance(src.type, RTuple), "TupleGet only operates on tuples"
+        assert isinstance(src.type, RTuple), "TupleGet only operates on tuples, not {type(src.type).__name__}"
         src_len = len(src.type.types)
-        assert -src_len <= index <= src_len - 1, f"source type: {src.type}\nindex: {index}"
+        assert -src_len <= index <= src_len - 1, f"Index out of range.\nsource type: {src.type}\nindex: {index}"
         self.type = src.type.types[index]
         self.is_borrowed = borrow