Update requirements.txt

pgleeson · web-flow · commit c19a24fef6a1 · 2023-10-19T15:56:32.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,5 @@
 scipy
 numpy
-matplotlib
+matplotlib==3.5.1
 ipywidgets
 ipympl
