added package versions sklearn

setup.py

@@ -131,7 +131,7 @@ setup(
     #
     # For an analysis of "install_requires" vs pip's requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
-    install_requires=['pyomo==5.7.1', 'datapackage==1.15.1', 'geopy==2.1.0', 'pint==0.16.1', 'pathlib==1.0.1', 'numpy==1.19.5', 'pandas==1.2.1', 'requests==2.25.1', 'clint==0.5.1', 'tikzplotlib==0.9.6','sympy==1.7.1', 'scipy==1.6.0', 'tsam==1.1.0', 'pandastable==0.12.2.post1'],  # Optional
+    install_requires=['pyomo==5.7.1', 'datapackage==1.15.1', 'geopy==2.1.0', 'pint==0.16.1', 'pathlib==1.0.1', 'numpy==1.19.5', 'pandas==1.2.1', 'requests==2.25.1', 'clint==0.5.1', 'tikzplotlib==0.9.6','sympy==1.7.1', 'scipy==1.6.0', 'tsam==1.1.0', 'pandastable==0.12.2.post1', 'sklearn==0.0', 'chardet==3.0.4'],  # Optional
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). Users will be able to install these using the "extras"