Fix edge case in tcod.noise.grid

Number check needed to be more broad

Author: HexDecimal

CHANGELOG.md

@@ -6,6 +6,10 @@ This project adheres to [Semantic Versioning](https://semver.org/) since version
 
 ## [Unreleased]
 
+### Fixed
+
+- `tcod.noise.grid` would raise `TypeError` when given a plain integer for scale.
+
 ## [18.0.0] - 2025-04-08
 
 ### Changed

tcod/noise.py

@@ -411,7 +411,7 @@ def grid(
     scale: tuple[float, ...] | float,
     origin: tuple[int, ...] | None = None,
     indexing: Literal["ij", "xy"] = "xy",
-) -> tuple[NDArray[Any], ...]:
+) -> tuple[NDArray[np.number], ...]:
     """Generate a mesh-grid of sample points to use with noise sampling.
 
     Args:
@@ -449,7 +449,7 @@ def grid(
 
     .. versionadded:: 12.2
     """
-    if isinstance(scale, float):
+    if isinstance(scale, (int, float)):
         scale = (scale,) * len(shape)
     if origin is None:
         origin = (0,) * len(shape)

tests/test_noise.py

@@ -7,6 +7,7 @@
 import pytest
 
 import tcod.noise
+import tcod.random
 
 # ruff: noqa: D103
 
@@ -100,3 +101,7 @@ def test_noise_copy() -> None:
     assert repr(noise3) == repr(pickle.loads(pickle.dumps(noise3)))
     noise4 = tcod.noise.Noise(2, seed=42)
     assert repr(noise4) == repr(pickle.loads(pickle.dumps(noise4)))
+
+
+def test_noise_grid() -> None:
+    tcod.noise.grid((2, 2), scale=2)  # Check int scale