Install python2.7 rather than python=2.7.11-1

Issue-ID: TEST-81
Change-Id: I8f678a16e5b532f537c7a587dfd574d627702137
Signed-off-by: Jerry Flood <jf9860@att.com>
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 6822f37..3ec5b9c 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -9,7 +9,7 @@
 # Install Python Pip, Robot framework, firefox, lighttpd web server, wget
 # Restructuring so we can see where it fails in the build.
 RUN apt-get update
-RUN apt-get --assume-yes install python=2.7.11-1
+RUN apt-get --assume-yes install python2.7
 RUN apt-get --assume-yes install build-essential
 RUN apt-get --assume-yes install dbus
 RUN apt-get --assume-yes install dnsutils