add compat

baggepinnen · baggepinnen · commit 9f15b3c6c19a · 2022-09-11T16:52:17.000+02:00
diff --git a/Project.toml b/Project.toml
@@ -12,6 +12,7 @@ SymPy = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 
 [compat]
+ControlSystemsBase = "1"
 Latexify = "0.14, 0.15"
 SymPy = "1"
 Symbolics = "4.4"
