From 0439cbb2ef3b19c3535d98fca6fa01405791d23a Mon Sep 17 00:00:00 2001
From: Daniel Ecer <de-code@users.noreply.github.com>
Date: Fri, 21 Jul 2017 20:21:27 +0100
Subject: [PATCH] added python 2.7 requirement

---
 README.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 3f94243..4ade87d 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,10 @@ This is where the [Science Beam](https://github.com/elifesciences/sciencebeam) m
 Pre-requisites
 --------------
 
-* [Apache Beam](https://beam.apache.org/)
-* [TensorFlow](https://www.tensorflow.org/) with google cloud support
-* [gsutil](https://cloud.google.com/storage/docs/gsutil)
+- Python 2.7 ([currently Apache Beam doesn't support Python 3]
+- [Apache Beam](https://beam.apache.org/)
+- [TensorFlow](https://www.tensorflow.org/) with google cloud support
+- [gsutil](https://cloud.google.com/storage/docs/gsutil)
 
 Local vs. Cloud
 ---------------
-- 
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