tirth8205 · tirth8205 · Apr 11, 2026 · Apr 11, 2026
diff --git a/code_review_graph/communities.py b/code_review_graph/communities.py
@@ -561,7 +561,8 @@ def store_communities(
         count = 0
         for comm in communities:
             cursor = conn.execute(
-                """INSERT INTO communities (name, level, cohesion, size, dominant_language, description)
+                """INSERT INTO communities
+                       (name, level, cohesion, size, dominant_language, description)
                    VALUES (?, ?, ?, ?, ?, ?)""",
                 (
                     comm["name"],

diff --git a/code_review_graph/parser.py b/code_review_graph/parser.py
@@ -2432,7 +2432,7 @@ def _get_name(self, node, language: str, kind: str) -> Optional[str]:
         if language == "go" and node.type == "method_declaration":
             for child in node.children:
                 if child.type == "field_identifier":
-                    return child.text.decode("utf-8", errors="replace")                        
+                    return child.text.decode("utf-8", errors="replace")
         # Most languages use a 'name' child
         for child in node.children:
             if child.type in (

diff --git a/code_review_graph/skills.py b/code_review_graph/skills.py
@@ -446,14 +446,14 @@ def install_git_hook(repo_root: Path) -> Path | None:
     existing one — preserving any hooks already there. Returns None when no
     ``.git`` directory is found.
     """
-    _SCRIPT = """\
+    script = """\
 #!/bin/sh
 # Installed by code-review-graph. Remove this file to disable pre-commit graph checks.
 if command -v code-review-graph >/dev/null 2>&1; then
     code-review-graph detect-changes --brief || true
 fi
 """
-    _MARKER = "code-review-graph detect-changes"
+    marker = "code-review-graph detect-changes"
 
     git_dir = repo_root / ".git"
     if not git_dir.is_dir():
@@ -465,11 +465,11 @@ def install_git_hook(repo_root: Path) -> Path | None:
 
     if hook_path.exists():
         existing = hook_path.read_text(encoding="utf-8")
-        if _MARKER in existing:
+        if marker in existing:
             return hook_path
-        hook_path.write_text(existing.rstrip("\n") + "\n" + _SCRIPT, encoding="utf-8")
+        hook_path.write_text(existing.rstrip("\n") + "\n" + script, encoding="utf-8")
     else:
-        hook_path.write_text(_SCRIPT, encoding="utf-8")
+        hook_path.write_text(script, encoding="utf-8")
 
     hook_path.chmod(0o755)
     logger.info("Wrote git pre-commit hook: %s", hook_path)

diff --git a/code_review_graph/visualization.py b/code_review_graph/visualization.py
@@ -412,7 +412,7 @@ def generate_html(
 # ---------------------------------------------------------------------------
 
 # Template lives in this file for zero-dependency packaging (no external files
-# to locate at runtime).  The ``# noqa: E501`` on the module is set via
+# to locate at runtime). The E501 suppression for this module is configured via
 # pyproject.toml per-file-ignores for this reason.
 
 _HTML_TEMPLATE = r"""<!DOCTYPE html>

diff --git a/pyproject.toml b/pyproject.toml
@@ -72,6 +72,7 @@ dev = [
     "pytest-asyncio>=0.23,<1",
     "pytest-cov>=4.0,<8",
     "ruff>=0.3.0,<1",
+    "tomli>=2.0; python_version < '3.11'",
 ]
 
 [tool.hatch.build.targets.wheel]

diff --git a/tests/test_skills.py b/tests/test_skills.py
@@ -2,10 +2,14 @@
 
 import json
 import os
+import sys
 from pathlib import Path
 from unittest.mock import patch
 
-import tomllib
+if sys.version_info >= (3, 11):
+    import tomllib
+else:  # pragma: no cover - Python 3.10 backport
+    import tomli as tomllib
 
 from code_review_graph.skills import (
     _CLAUDE_MD_SECTION_MARKER,

diff --git a/uv.lock b/uv.lock