Add matplotlib version requirement

eblur · eblur · commit 73b3abcaff78 · 2019-05-21T13:30:39.000-04:00
diff --git a/tutorials/notebooks/quantities/requirements.txt b/tutorials/notebooks/quantities/requirements.txt
@@ -1,3 +1,3 @@
 numpy
-matplotlib
+matplotlib==3.0.2
 astropy

-Original file line number
+Diff line change
@@ @@ -1,3 +1,3 @@ @@
 numpy
 -matplotlib
 +matplotlib==3.0.2
 astropy