rework

pyproject.toml

@@ -10,9 +10,6 @@ minimum-version = "0.4"
 # Setuptools-style build caching in a local directory
 build-dir = "build/{wheel_tag}"
 
-# Build stable ABI wheels for CPython 3.12+
-wheel.py-api = "cp312"
-
 [project]
 name = "slopefit"
 version = "0.1.0"
@@ -22,6 +19,11 @@ authors = [
 description = "fit conic sections"
 readme = "README.md"
 requires-python = ">=3.9"
+dependencies = [
+  "numpy",
+  "matplotlib"
+  "pyside6"
+]
 classifiers = [
     "Programming Language :: Python :: 3",
     "Operating System :: OS Independent",