diff --git a/src/semble/__init__.py b/src/semble/__init__.py
index 6265930..826a11e 100644
--- a/src/semble/__init__.py
+++ b/src/semble/__init__.py
@@ -1,14 +1,14 @@
 from semble.index import SembleIndex
 from semble.types import Chunk, EmbeddingMatrix, Encoder, IndexStats, SearchMode, SearchResult
-from semble.version import __version__, __version_triple__
+from semble.version import __version__
 
 __all__ = [
-    "SembleIndex",
     "Chunk",
     "EmbeddingMatrix",
     "Encoder",
     "IndexStats",
     "SearchMode",
     "SearchResult",
+    "SembleIndex",
     "__version__",
 ]
diff --git a/src/semble/index/create.py b/src/semble/index/create.py
index 76ac6a3..80eac92 100644
--- a/src/semble/index/create.py
+++ b/src/semble/index/create.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import contextlib
 from pathlib import Path
 
diff --git a/src/semble/index/dense.py b/src/semble/index/dense.py
index 2f864ee..13c9620 100644
--- a/src/semble/index/dense.py
+++ b/src/semble/index/dense.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import numpy as np
 import numpy.typing as npt
 from huggingface_hub.utils.tqdm import disable_progress_bars
diff --git a/src/semble/index/sparse.py b/src/semble/index/sparse.py
index 9fd839d..921c1da 100644
--- a/src/semble/index/sparse.py
+++ b/src/semble/index/sparse.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import contextlib
 from pathlib import Path
 
diff --git a/src/semble/mcp.py b/src/semble/mcp.py
index e8b52a2..17921b6 100644
--- a/src/semble/mcp.py
+++ b/src/semble/mcp.py
@@ -121,10 +121,7 @@ def __init__(self, model: Encoder) -> None:
     async def get(self, source: str, ref: str | None = None) -> SembleIndex:
         """Return an index for the requested source, building and caching it on first access."""
         is_git = _is_git_url(source)
-        if is_git:
-            cache_key = f"{source}@{ref}" if ref else source
-        else:
-            cache_key = str(Path(source).resolve())
+        cache_key = (f"{source}@{ref}" if ref else source) if is_git else str(Path(source).resolve())
 
         if cache_key not in self._tasks:
             if is_git:
diff --git a/src/semble/tokens.py b/src/semble/tokens.py
index bb787c8..417bcb4 100644
--- a/src/semble/tokens.py
+++ b/src/semble/tokens.py
@@ -20,15 +20,15 @@ def _split_identifier(token: str) -> list[str]:
     lower = token.lower()
     parts: list[str] = []
 
-    # snake_case splitting
     if "_" in token:
+        # snake_case splitting
         parts = [p for p in lower.split("_") if p]
     else:
         # camelCase / PascalCase splitting
         parts = [m.lower() for m in _CAMEL_RE.findall(token)]
 
     if len(parts) >= 2:
-        return [lower] + parts
+        return [lower, *parts]
     return [lower]