self-assign the first few, should be easy pickins

[Imported from Trac: page Python3, version 37]

Python3.md

@@ -24,10 +24,10 @@ We use [tox](https://tox.readthedocs.io/en/latest/) to standardize environments
 
 | Submodule† | Status | Assignee |
 |---|---|---|
-| `*init*` | **todo** |  |
-| `*main*` | **todo** |  |
-| `_auto_deps` | **todo** |  |
-| `_version` | **todo** |  |
+| `*init*` | doing | Chad |
+| `*main*` | doing | Chad |
+| `_auto_deps` | doing | Chad |
+| `_version` | doing | Chad |
 | `blacklist` | **todo** |  |
 | `check_results` | **todo** |  |
 | `client` | **todo** |  |
@@ -39,17 +39,17 @@ We use [tox](https://tox.readthedocs.io/en/latest/) to standardize environments
 | `frontends` | **todo** |  |
 | `hashtree` | done |  |
 | `history` | **todo** |  |
-| `immutable`‡ | mostly done, except offloaded.py | Chad |
+| `immutable`‡ | doing | Chad |
 | `interfaces` | done |  |
 | `introducer` | **doing** |  |
 | `monitor` | done |  |
-| `mutable`‡ | **doing** | Itamar |
+| `mutable`‡ | doing | Itamar |
 | `node` | doing | Ross |
 | `nodemaker` | **todo** |  |
 | `scripts` | **todo** |  |
 | `stats` | **todo** |  |
 | `storage` | done |  |
-| `storage_client` | **doing** | Itamar |
+| `storage_client` | doing | Itamar |
 | `test` | **doing** |  |
 | `testing` | **todo** |  |
 | `unknown` | **todo** |  |