diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bfbfb30e..6c43ed90 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,8 +11,6 @@ repos:
     rev: v1.1.379
     hooks:
       - id: pyright
-        # must match the Python version used in CI
-        language_version: python3.11
         additional_dependencies:
           [
             beartype,
@@ -21,7 +19,5 @@ repos:
             jaxtyping,
             optax,
             pytest,
-            tensorflow,
-            tf2onnx,
             typing_extensions,
           ]
diff --git a/equinox/_enum.py b/equinox/_enum.py
index 1716a60c..b18adbdc 100644
--- a/equinox/_enum.py
+++ b/equinox/_enum.py
@@ -140,7 +140,7 @@ def __instancecheck__(cls, value):
 
 
 class EnumerationItem(Module):
-    _value: Int[Union[Array, np.ndarray], ""]
+    _value: Int[Union[Array, np.ndarray[Any, np.dtype[np.signedinteger]]], ""]
     # Should have annotation `"type[Enumeration]"`, but this fails due to beartype bug
     # #289.
     _enumeration: Any = field(static=True)
diff --git a/equinox/_filters.py b/equinox/_filters.py
index 13ee1fb5..6a219a56 100644
--- a/equinox/_filters.py
+++ b/equinox/_filters.py
@@ -37,7 +37,7 @@ def is_inexact_array(element: Any) -> bool:
     array.
     """
     if isinstance(element, (np.ndarray, np.generic)):
-        return np.issubdtype(element.dtype, np.inexact)
+        return bool(np.issubdtype(element.dtype, np.inexact))
     elif isinstance(element, jax.Array):
         return jnp.issubdtype(element.dtype, jnp.inexact)
     else:
@@ -51,7 +51,7 @@ def is_inexact_array_like(element: Any) -> bool:
     if hasattr(element, "__jax_array__"):
         element = element.__jax_array__()
     if isinstance(element, (np.ndarray, np.generic)):
-        return np.issubdtype(element.dtype, np.inexact)
+        return bool(np.issubdtype(element.dtype, np.inexact))
     elif isinstance(element, jax.Array):
         return jnp.issubdtype(element.dtype, jnp.inexact)
     else:
diff --git a/equinox/internal/_onnx.py b/equinox/internal/_onnx.py
index ae31263d..7c7d76ca 100644
--- a/equinox/internal/_onnx.py
+++ b/equinox/internal/_onnx.py
@@ -24,8 +24,8 @@ def f(x, y):
         ```
     """
     import jax.experimental.jax2tf as jax2tf
-    import tensorflow as tf
-    import tf2onnx
+    import tensorflow as tf  # pyright: ignore[reportMissingImports]
+    import tf2onnx  # pyright: ignore[reportMissingImports]
 
     def _to_onnx(*args):
         finalised_fn = finalise_fn(fn)