Added minimim Flask version

Mark Gibbs · Mark Gibbs · commit bbc7b929da53 · 2018-08-28T11:20:33.000-07:00
diff --git a/requirements.txt b/requirements.txt
@@ -4,3 +4,5 @@ dash-html-components
 dash-renderer
 plotly
 dpd-components
+
+Flask>=1.0.2
