Fix pypi uploads

Author: dhoomakethu

setup.cfg

@@ -4,22 +4,29 @@ name             = pymodbus
 version          = attr: pymodbus.__version__
 author           = attr: pymodbus.__author__
 maintainer       = attr: pymodbus.__maintainer__
-license          = 'BSD-3-Clause'
+license          = BSD-3-Clause
 platforms        = 'Linux', 'Mac OS X', 'Win'
-description      = "A fully featured modbus protocol stack in python"
-keywords         = 'modbus, asyncio, scada, client, server, simulator'
-long_description = file: README.rst, CHANGELOG.rst, LICENSE
-url              = 'https://github.com/riptideio/pymodbus/'
-classifiers      = 
+description      = A fully featured modbus protocol stack in python
+keywords         = modbus, asyncio, scada, client, server, simulator
+long_description = file: README.rst
+url              = https://github.com/riptideio/pymodbus/
+classifiers      =
     Development Status :: 4 - Beta
-    Programming Language :: Python :: 3.8 :: 3.9 :: 3.10
     Environment :: Console
-    Framework :: Twisted :: Tornado :: Asyncio
-    Intended Audience :: Developers :: Modbus testers
+    Framework :: Twisted
+    Framework :: AsyncIO
+    Intended Audience :: Developers
     License :: OSI Approved :: BSD License
-    Operating System :: OS Independent :: Linux :: Windows :: Mac OS
+    Operating System :: POSIX :: Linux
+    Operating System :: Unix
+    Operating System :: MacOS :: MacOS X
+    Operating System :: OS Independent
+    Operating System :: Microsoft
     Programming Language :: Python :: 3.8
-    Topic :: System :: Networking :: Utilities :: SCADA :: Modbus
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Topic :: System :: Networking
+    Topic :: Utilities
 project_urls     =
     Source Code  = https://github.com/riptideio/pymodbus
     Bug Reports  = https://github.com/riptideio/pymodbus/issues