Set correct return statement for `is_type_comment` function
diff --git a/black.py b/black.py
index 65545e9f21d..d1e87a9fa98 100644
--- a/black.py
+++ b/black.py
@@ -2777,7 +2777,7 @@ def is_type_comment(leaf: Leaf, suffix: str = "") -> bool:
     Only returns true for type comments for now."""
     t = leaf.type
     v = leaf.value
-    return t in {token.COMMENT, t == STANDALONE_COMMENT} and v.startswith(
+    return t in {token.COMMENT, STANDALONE_COMMENT} and v.startswith(
         "# type:" + suffix
     )
 

Looks like there are mistake in  `is_type_comment` function. 

When  function return statement was updated from:
```python
    return bool(
        (t == token.COMMENT or t == STANDALONE_COMMENT) and (v.startswith("# type:"))
    )
```
to
```python
    return t in {token.COMMENT, t == STANDALONE_COMMENT} and v.startswith("# type:")
```

In set there are comparison:
```python
{token.COMMENT, t == STANDALONE_COMMENT}
```
I think set should be :
```python
{token.COMMENT, STANDALONE_COMMENT}
```

Correct me in case if this isn't bug.
Thanks