update for pywin issue

Author: karthikbalasu

setup.py

@@ -55,7 +55,7 @@ def run(self):
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.7',
       ],
-      install_requires=['pywin32==228','matplotlib>=2.0.2','numpy>=1.16.2','scipy>=1.2.1',
+      install_requires=['pywin32>=301','matplotlib>=2.0.2','numpy>=1.16.2','scipy>=1.2.1',
       'xlsxwriter>=1.1.8','psutil>=5.7.0','pandas>=0.24.2','dash>=1.21.0','networkx','pvder'],
       extras_require={'diffeqpy': ['diffeqpy>=1.1.0']},
       package_data={'tdcosim':['data/**/**/*','logs/.*','config/*','examples/*']},