diff --git a/Python3.md b/Python3.md
index c5eee54..2cfc338 100644
--- a/Python3.md
+++ b/Python3.md
@@ -41,7 +41,7 @@ We use [tox](https://tox.readthedocs.io/en/latest/) to standardize environments
 | `history` | **todo** |  |  |
 | `immutable`‡ | **doing** |  | `checker`, `offloaded`, and perhaps others remains |
 | ~~`interfaces`~~ | ~~done~~ |  |  |
-| `introducer` | **doing** | Itamar |  |
+| `introducer` | **done** |  |  |
 | ~~`monitor`~~ | ~~done~~ |  |  |
 | `mutable`‡ | **done** | | (technically needs to be merged) |
 | `node` | done |  |  |