refactor: explicit name for utils

DEVELOPMENT.md

@@ -28,8 +28,8 @@ shell by setting up [direnv](https://devenv.sh/automatic-shell-activation/).
 
 To setup the environment manually you will need:
 
-- Just: https://just.systems/
-- Rust `>=1.75`: https://www.rust-lang.org/tools/install
+- Just: <https://just.systems/>
+- Rust `>=1.75`: <https://www.rust-lang.org/tools/install>
 - uv `>=0.3`: docs.astral.sh/uv/getting-started/installation
 
 Once you have these installed, install the required python dependencies and setup pre-commit hooks with:
@@ -101,6 +101,7 @@ line-by-line coverage report on
 [codecov](https://app.codecov.io/gh/CQCL/tket2/commits?branch=All%20branches).
 
 To run the coverage checks locally, first install `cargo-llvm-cov`.
+
 ```bash
 cargo install cargo-llvm-cov
 ```

tket2-exts/src/tket2_exts/__init__.py

@@ -27,7 +27,7 @@ def qsystem() -> Extension:
 
 
 @functools.cache
-def utils() -> Extension:
+def qsystem_utils() -> Extension:
     return load_extension("tket2.qsystem.utils")
 
 

tket2-py/tket2/extensions/__init__.py

@@ -1,4 +1,4 @@
-from tket2_exts import rotation, futures, qsystem, quantum, result, utils
+from tket2_exts import rotation, futures, qsystem, qsystem_utils, quantum, result
 
 
-__all__ = ["rotation", "futures", "qsystem", "quantum", "result", "utils"]
+__all__ = ["rotation", "futures", "qsystem", "qsystem_utils", "quantum", "result"]