Fix for sqlite-utils 4.2 crashing bug (#843)

- Remove from typing_extensions import Self
- Smoke test: uv run --no-default-groups sqlite-utils --help

Closes #842

.github/workflows/test.yml

@@ -53,6 +53,11 @@ jobs:
       run: |
         pip install uv
         uv run ty check sqlite_utils
+    - name: Check no accidental dev= dependencies needed
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        pip install uv
+        uv run --no-default-groups sqlite-utils --help
     - name: Check formatting
       run: black . --check
     - name: Check if cog needs to be run

sqlite_utils/db.py

@@ -24,8 +24,6 @@ from typing import (
 )
 
 from sqlite_fts4 import rank_bm25
-from typing_extensions import Self
-
 from sqlite_utils.plugins import ensure_plugins_loaded, pm
 
 from .create_table_parser import (
@@ -637,7 +635,7 @@ class Database:
             pm.hook.prepare_connection(conn=self.conn)
         self.strict = strict
 
-    def __enter__(self) -> Self:
+    def __enter__(self):
         return self
 
     def __exit__(