downgrade numpy

Author: smilesun

pyproject.toml

@@ -9,7 +9,7 @@ readme = "README.md"
 python = "^3.9"
 matplotlib = "^3.9.0"
 networkx = "^3.2.1"
-numpy = "^2.0.0"
+numpy = "^1.26.4"
 pandas = "^2.2.2"
 scipy = "^1.7.0"