update readme and pyproject

Author: skbill84

README.md

@@ -87,17 +87,13 @@ for k, col in zip(unique_labels, colors):
     if k == -1:
         # Black used for noise.
         col = [0, 0, 0, 1]
-
     class_member_mask = (labels == k)
-
     xy = X[class_member_mask & core_samples_mask]
     plt.plot(xy[:, 0], xy[:, 1], 'o', markerfacecolor=tuple(col),
              markeredgecolor='k', markersize=14)
-
     xy = X[class_member_mask & ~core_samples_mask]
     plt.plot(xy[:, 0], xy[:, 1], 'o', markerfacecolor=tuple(col),
              markeredgecolor='k', markersize=6)
-
 plt.title('Estimated number of clusters: %d' % n_clusters_)
 plt.show()
 ```

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "dbscan"
 authors = [
-    {name = "Yiqiu Wang", email = "yiqiu_wang@icloud.com"}
+    {name = "Yiqiu Wang", email = "yiqiuwang.work@gmail.com"}
 ]
 maintainers = [
     {name = "Anirudh Vegesana", email = "[email protected]"}
@@ -16,19 +16,24 @@ classifiers = [
     'Intended Audience :: Developers',
     "License :: OSI Approved :: MIT License",
     'Programming Language :: C++',
-    'Programming Language :: Python :: 3',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: MacOS",
     'Topic :: Software Development',
     'Topic :: Scientific/Engineering',
 ]
 
-dynamic = ["version", "dependencies", "requires-python"]
+[project.dependencies]
+numpy = ">=2.0.0"
+scikit-learn = ">=1.0"
+
+requires-python = ">=3.9,<4.0" # Aligns with CIBW_BUILD and NumPy 2.0 support
 
 [project.optional-dependencies]
-scikit-learn = [
-    "scikit-learn"
-]
 example = [
-    "scikit-learn",
     "matplotlib"
 ]
 
@@ -37,7 +42,7 @@ homepage = "https://sites.google.com/view/yiqiuwang/dbscan"
 repository = "https://github.com/wangyiqiu/dbscan-python"
 
 [build-system]
-requires = ["setuptools", "setuptools_scm", "wheel", "numpy>=2.0.0"]
+requires = ["setuptools>=61", "setuptools_scm>=7", "wheel", "numpy>=2.0.0"]
 backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]