I am giving it for Windows

If you are using python-3

1. Upgrade pip to the latest version using py -m pip install --upgrade pip
2. Install package using py -m pip install <package-name>

If you are using python-2

1. Upgrade pip to the latest version using py -2 -m pip install --upgrade pip
2. Install package using py -2 -m pip install <package-name>

It worked for me

I am giving it for Windows

If you are using python-3

1. Upgrade pip to the latest version using py -m pip install --upgrade pip
2. Install package using py -m pip install <package-name>

If you are using python-2

1. Upgrade pip to the latest version using py -2 -m pip install --upgrade pip
2. Install package using py -2 -m pip install <package-name>

I am giving it for Windows

If you are using python-2

1. Upgrade pip to the latest version using py -m pip install --upgrade pip
2. Install package using py -m pip install <package-name>

If you are using python-2

1. Upgrade pip to the latest version using py -2 -m pip install --upgrade pip
2. Install package using py -2 -m pip install <package-name>

It worked for me

I am giving it for Windows

If you are using python-3

1. Upgrade pip to the latest version using py -m pip install --upgrade pip
2. Install package using py -m pip install <package-name>

If you are using python-2

1. Upgrade pip to the latest version using py -2 -m pip install --upgrade pip
2. Install package using py -2 -m pip install <package-name>

It worked for me