From bdbe300412637d25316f3ac4ad3a3b9fbbad7721 Mon Sep 17 00:00:00 2001
From: t-bltg <tf.bltg@gmail.com>
Date: Wed, 1 Sep 2021 11:24:16 +0200
Subject: [PATCH] Pyplot: fix building docs (#3775)

---
 src/backends/pyplot.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/pyplot.jl b/src/backends/pyplot.jl
index 6370150e..cb43de98 100644
--- a/src/backends/pyplot.jl
+++ b/src/backends/pyplot.jl
@@ -63,7 +63,7 @@ end
 for k in (:linthresh, :base, :label)
     # add PyPlot specific symbols to cache
     _attrsymbolcache[k] = Dict{Symbol, Symbol}()
-    for letter in (:x, :y, :z, Symbol(""))
+    for letter in (:x, :y, :z, Symbol(""), :top, :bottom, :left, :right)
         _attrsymbolcache[k][letter] = Symbol(k, letter)
     end
 end