Python3.x bs4 package for redfish validator via pip3

Change-Id: I15fa62b060378b71be9c74e3fc0899ef59a33712
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/scripts/build-qemu-robot-docker.sh b/scripts/build-qemu-robot-docker.sh
index 0842e22..b6990e4 100755
--- a/scripts/build-qemu-robot-docker.sh
+++ b/scripts/build-qemu-robot-docker.sh
@@ -63,13 +63,13 @@
     libpcre3 \
     openssl \
     libxml2-dev \
-    libxslt-dev
+    libxslt-dev \
+    python3-pip
 
 RUN easy_install \
     tox \
     pip \
-    requests \
-    lxml
+    requests
 
 RUN pip install \
     json2yaml \
@@ -78,8 +78,11 @@
     robotframework-sshlibrary \
     robotframework-scplibrary \
     pysnmp \
-    redfish \
-    beautifulsoup4
+    redfish
+
+RUN pip3 install \
+    beautifulsoup4 --upgrade \
+    lxml
 
 RUN wget https://sourceforge.net/projects/ipmitool/files/ipmitool/1.8.18/ipmitool-1.8.18.tar.bz2
 RUN tar xvfj ipmitool-*.tar.bz2