Add pre-commit checks

Author: klieret

.pre-commit-config.yaml

@@ -0,0 +1,25 @@
+ci:
+  autoupdate_commit_msg: "chore: update pre-commit hooks"
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: "v4.6.0"
+    hooks:
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: mixed-line-ending
+      - id: detect-private-key
+      # - id: check-ast
+      # - id: trailing-whitespace
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.4.4
+    hooks:
+      # Run the linter.
+      - id: ruff
+        args: ["--fix"]
+      # Run the formatter.
+      # - id: ruff-format
+

src/scicode/parse/parse.py

@@ -8,9 +8,6 @@
 import scipy
 import numpy as np
 from sympy import Symbol
-from pathlib import Path
-from textwrap import dedent
-from typing import Any
 
 OrderedContent = list[tuple[str, str]]