From 546fa5dfc278fa8fa9b1a7de17a64a2b1ffc16a5 Mon Sep 17 00:00:00 2001
From: Vincent Roseberry <rosbo@google.com>
Date: Mon, 29 Mar 2021 16:13:20 +0000
Subject: [PATCH] Pin pystan

pystan 3.x released on March 25th, 2021 is not compatible with
fbprophet and causing a build failure.

http://b/183944405
---
 Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index cd04f870..9f804b16 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -188,7 +188,8 @@ RUN pip install mpld3 && \
     pip install pyldavis && \
     pip install mlxtend && \
     pip install altair && \
-    pip install pystan && \
+    # b/183944405 pystan 3.x is not compatible with fbprophet.
+    pip install pystan==2.19.1.1 && \
     pip install ImageHash && \
     pip install ecos && \
     pip install CVXcanon && \