Update install_windows.md

ae7b9d18 · Mads M. Pedersen · 12ae789a · ae7b9d18
Commit ae7b9d18 authored 8 years ago by Mads M. Pedersen
--- a/docs/install_windows.md
+++ b/docs/install_windows.md
@@ -40,7 +40,7 @@ The python distribution in use will now be located in \<path_to_anaconda\>/env/p

 ```
 conda install setuptools_scm future h5py pytables pytest nose sphinx
-conda install scipy pandas matplotlib cython xlrd coverage xlwt openpyxl
+conda install scipy pandas matplotlib cython xlrd coverage xlwt openpyxl psutil
 ```

 * Not all packages are available in the conda repositories, but they can be