Require TensoFlow 1.4.0 (#326)

vincentpierre · awjuliani · commit 299ef9ff7223 · 2018-02-09T13:43:26.000-08:00
diff --git a/python/requirements.txt b/python/requirements.txt
@@ -1,4 +1,4 @@
-tensorflow==1.4.1
+tensorflow==1.4.0
 Pillow>=4.2.1
 matplotlib
 numpy>=1.11.0
