use the py-ip2region as the pypi package name

binding/python/ReadMe.md

@@ -2,9 +2,9 @@
 
 # 使用方式
 
-### 安装 `ip2region`
+### 安装 `py-ip2region`
 ```bash
-pip3 install ip2region
+pip3 install py-ip2region
 ```
 
 ### 关于查询 API

binding/python/setup.py

@@ -1,9 +1,9 @@
 import setuptools
 
 setuptools.setup(
-    name="ip2region",
+    name="py-ip2region",
     version="3.0.0",
-    description="official python binding for ip2region with both IPv4 and IPv6 supported",
+    description="ip2region official python binding with both IPv4 and IPv6 supported",
     long_description=open("ReadMe.md", encoding='utf-8').read(),
     long_description_content_type='text/markdown',