Installation.md

@@ -33,5 +33,19 @@ Last, activate the shakemap virtual environment
 > conda activate shakemap
 ```
 
+# Optional Installations
+For developers or system admin
+The above instructions will install the minimum libraries required to run ShakeMap. For developers or system administrators, there are a number of additional packages that are useful for checking syntax, debugging, and building documentation. So we recommend the following optional installations:
+```
+conda install ipython \
+              autopep8 \
+              flake8 \
+              pyflakes \
+              rope \
+              yapf \
+              sphinx
+pip install sphinx-argparse
+```
+
 ---
 Next step: [Testing](testing)
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