(fix) numpy array emptiness check is non-Pythonic

abhinavnatarajan · Sep 24, 2024 · 4ce5ff1 · 4ce5ff1
1 parent a72b130
commit 4ce5ff1
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diff --git a/pyproject.toml b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "chalc"
-version = "7.0.0"
+version = "7.0.1"
 authors = [{ name = "Abhinav Natarajan", email = "[email protected]" }]
 description = "Persistent homology of chromatic Delaunay filtrations"
 readme = { file = "README.md", content-type = "text/markdown" }

diff --git a/src/chalc/sixpack.py b/src/chalc/sixpack.py
@@ -481,7 +481,7 @@ def get_matrix(self, diagram_name, dim=None):
 			for s in dgm._unpaired:
 				simplices.add(s)
 			relevant_dims = np.array(self._dimensions)[list(simplices)]
-			if not relevant_dims:
+			if relevant_dims.size == 0 or relevant_dims.ndim == 0:
 				# there are no features in the diagram
 				return []
 			dim = list(range(max(relevant_dims)))