diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b533de5c..ae023079 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,13 +1,12 @@
 exclude: ^python/tests/__snapshots__/
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.11.2
+    rev: v0.12.7
     hooks:
-      - id: ruff
-        args: [--fix, --exit-non-zero-on-fix]
+      - id: ruff-check
+        args: [--fix]
       - id: ruff-format
   - repo: https://github.com/astral-sh/uv-pre-commit
-    # uv version.
-    rev: 0.6.11
+    rev: 0.8.5
     hooks:
       - id: uv-lock
diff --git a/pyproject.toml b/pyproject.toml
index 9e3f0403..ac8c3894 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -199,9 +199,11 @@ ignore = [
     # allow blind exception to add context
     "BLE001",
     # Don't move type checking around so that can be accessed at runtime
-    "TCH001",
-    "TCH002",
-    "TCH003",
+    "TC001",
+    "TC002",
+    "TC003",
+    # allow eq without hash
+    "PLW1641",
 ]
 select = ["ALL"]
 
diff --git a/python/egglog/__init__.py b/python/egglog/__init__.py
index af64575d..6a6e2213 100644
--- a/python/egglog/__init__.py
+++ b/python/egglog/__init__.py
@@ -8,6 +8,6 @@
 from .conversion import *
 from .deconstruct import *
 from .egraph import *
-from .runtime import define_expr_method as define_expr_method  # noqa: PLC0414
+from .runtime import define_expr_method as define_expr_method
 
 del ipython_magic
diff --git a/python/egglog/egraph.py b/python/egglog/egraph.py
index 3869bc31..3f9a3db9 100644
--- a/python/egglog/egraph.py
+++ b/python/egglog/egraph.py
@@ -688,7 +688,7 @@ def relation(name: str, /, *tps: type, egg_fn: str | None = None) -> Callable[..
 
 
 def _relation_decls(name: str, tps: tuple[type, ...], egg_fn: str | None) -> Declarations:
-    from .builtins import Unit
+    from .builtins import Unit  # noqa: PLC0415
 
     decls = Declarations()
     decls |= cast("RuntimeClass", Unit)
@@ -1086,9 +1086,9 @@ def display(self, graphviz: bool = False, **kwargs: Unpack[GraphvizKwargs]) -> N
 
         If in IPython it will display it inline, otherwise it will write it to a file and open it.
         """
-        from IPython.display import SVG, display
+        from IPython.display import SVG, display  # noqa: PLC0415
 
-        from .visualizer_widget import VisualizerWidget
+        from .visualizer_widget import VisualizerWidget  # noqa: PLC0415
 
         if graphviz:
             if IN_IPYTHON:
@@ -1115,7 +1115,7 @@ def saturate(
 
         If an `expr` is passed, it's also extracted after each run and printed
         """
-        from .visualizer_widget import VisualizerWidget
+        from .visualizer_widget import VisualizerWidget  # noqa: PLC0415
 
         def to_json() -> str:
             if expr is not None:
@@ -1608,7 +1608,7 @@ class _NeBuilder(Generic[BASE_EXPR]):
     lhs: BASE_EXPR
 
     def to(self, rhs: BASE_EXPR) -> Unit:
-        from .builtins import Unit
+        from .builtins import Unit  # noqa: PLC0415
 
         lhs = to_runtime_expr(self.lhs)
         rhs = convert_to_same_type(rhs, lhs)
diff --git a/python/egglog/pretty.py b/python/egglog/pretty.py
index 41659074..01beddc5 100644
--- a/python/egglog/pretty.py
+++ b/python/egglog/pretty.py
@@ -491,24 +491,3 @@ def _pretty_function_body(self, fn: UnnamedFunctionRef, args: list[ExprDecl]) ->
         if arg_names:
             prefix += f" {', '.join(self(a.expr) for a in arg_names)}"
         return f"{prefix}: {self(res.expr)}"
-
-
-def _plot_line_length(expr: object):  # pragma: no cover
-    """
-    Plots the number of line lengths based on different max lengths
-    """
-    global MAX_LINE_LENGTH, LINE_DIFFERENCE
-    import altair as alt
-    import pandas as pd
-
-    sizes = []
-    for line_length in range(40, 180, 10):
-        MAX_LINE_LENGTH = line_length
-        for diff in range(0, 40, 5):
-            LINE_DIFFERENCE = diff
-            new_l = len(str(expr).split())
-            sizes.append((line_length, diff, new_l))
-
-    df = pd.DataFrame(sizes, columns=["MAX_LINE_LENGTH", "LENGTH_DIFFERENCE", "n"])
-
-    return alt.Chart(df).mark_rect().encode(x="MAX_LINE_LENGTH:O", y="LENGTH_DIFFERENCE:O", color="n:Q")
diff --git a/python/egglog/runtime.py b/python/egglog/runtime.py
index 02c7c2dd..26f8d9fa 100644
--- a/python/egglog/runtime.py
+++ b/python/egglog/runtime.py
@@ -387,7 +387,7 @@ def __egg_ref__(self) -> CallableRef:
         return self.__egg_ref_thunk__()
 
     def __call__(self, *args: object, _egg_partial_function: bool = False, **kwargs: object) -> RuntimeExpr | None:
-        from .conversion import resolve_literal
+        from .conversion import resolve_literal  # noqa: PLC0415
 
         if isinstance(self.__egg_bound__, RuntimeExpr):
             args = (self.__egg_bound__, *args)
@@ -540,7 +540,7 @@ def __egg_pretty__(self, wrapping_fn: str | None) -> str:
         return pretty_decl(self.__egg_decls__, self.__egg_typed_expr__.expr, wrapping_fn=wrapping_fn)
 
     def _ipython_display_(self) -> None:
-        from IPython.display import Code, display
+        from IPython.display import Code, display  # noqa: PLC0415
 
         display(Code(str(self), language="python"))
 
@@ -577,7 +577,7 @@ def __eq__(self, other: object) -> object:  # type: ignore[override]
 
         # TODO: Check if two objects can be upcasted to be the same. If not, then return NotImplemented so other
         # expr gets a chance to resolve __eq__ which could be a preserved method.
-        from .egraph import BaseExpr, eq
+        from .egraph import BaseExpr, eq  # noqa: PLC0415
 
         return eq(cast("BaseExpr", self)).to(cast("BaseExpr", other))
 
@@ -585,7 +585,7 @@ def __ne__(self, other: object) -> object:  # type: ignore[override]
         if (method := _get_expr_method(self, "__ne__")) is not None:
             return method(other)
 
-        from .egraph import BaseExpr, ne
+        from .egraph import BaseExpr, ne  # noqa: PLC0415
 
         return ne(cast("BaseExpr", self)).to(cast("BaseExpr", other))
 
@@ -647,7 +647,7 @@ def _numeric_binary_method(self: object, other: object, name: str = name, r_meth
                 )
             )
         ):
-            from .conversion import CONVERSIONS, resolve_type, retrieve_conversion_decls
+            from .conversion import CONVERSIONS, resolve_type, retrieve_conversion_decls  # noqa: PLC0415
 
             # tuple of (cost, convert_self)
             best_method: (
diff --git a/python/egglog/version_compat.py b/python/egglog/version_compat.py
index 352b2655..e29f4932 100644
--- a/python/egglog/version_compat.py
+++ b/python/egglog/version_compat.py
@@ -30,7 +30,7 @@ def _collect_type_vars_monkeypatch(types_, typevar_types=None):
 
             _collect_type_vars((T, List[S, T])) == (T, S)
         """
-        from .runtime import RuntimeClass
+        from .runtime import RuntimeClass  # noqa: PLC0415
 
         if typevar_types is None:
             typevar_types = typing.TypeVar
@@ -48,7 +48,7 @@ def _collect_type_vars_monkeypatch(types_, typevar_types=None):
     @typing.no_type_check
     @typing._tp_cache
     def __getitem__monkeypatch(self, params):  # noqa: C901, PLR0912
-        from .runtime import RuntimeClass
+        from .runtime import RuntimeClass  # noqa: PLC0415
 
         if self.__origin__ in (typing.Generic, typing.Protocol):
             # Can't subscript Generic[...] or Protocol[...].
diff --git a/python/tests/conftest.py b/python/tests/conftest.py
index 73aed445..5ca02195 100644
--- a/python/tests/conftest.py
+++ b/python/tests/conftest.py
@@ -3,11 +3,11 @@
 import pytest
 from syrupy.extensions.single_file import SingleFileSnapshotExtension
 
+import egglog.conversion
+
 
 @pytest.fixture(autouse=True)
 def _reset_conversions():
-    import egglog.conversion
-
     old_conversions = copy.copy(egglog.conversion.CONVERSIONS)
     old_conversion_decls = copy.copy(egglog.conversion._TO_PROCESS_DECLS)
     yield
diff --git a/python/tests/test_unstable_fn.py b/python/tests/test_unstable_fn.py
index 1a7742cd..eaaab64b 100644
--- a/python/tests/test_unstable_fn.py
+++ b/python/tests/test_unstable_fn.py
@@ -10,6 +10,7 @@
 from typing import ClassVar, TypeAlias
 
 from egglog import *
+from egglog.runtime import RuntimeFunction
 
 
 class Math(Expr):
@@ -167,8 +168,6 @@ def __init__(self) -> None: ...
 
 
 def test_callable_accepted_as_type():
-    from egglog.runtime import RuntimeFunction
-
     @function
     def func(f: UnstableFn[C, A, B]) -> C: ...