Update setup.py

Author: KindXiaoming

setup.py

@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="pykan",
-    version="0.1.1",
+    version="0.1.2",
     author="Ziming Liu",
     author_email="[email protected]",
     description="Kolmogorov Arnold Networks",