Pin to gsw 3.0.6

ocefpaf · ocefpaf · commit ef8df7c68657 · 2017-05-02T12:45:54.000-03:00
diff --git a/requirements.txt b/requirements.txt
@@ -2,4 +2,4 @@ numpy
 scipy
 matplotlib
 pandas
-gsw
+gsw ==3.0.6
