Update setup.py

Author: eggpig

setup.py

@@ -109,7 +109,7 @@ def build_extension(self, ext: CMakeExtension) -> None:
 CYTHON_STR = "Cython"
 setuptools.setup(
     name="Python-EasyGraph",
-    version="1.6.1",
+    version="1.6.2",
     author="Fudan DataNET Group",
     author_email="mgao21@m.fudan.edu.cn",
     description="Easy Graph",