Dockerfile template update for http2_badserver_interop

templates/tools/dockerfile/interoptest/grpc_interop_http2/Dockerfile.template

@@ -33,6 +33,8 @@
   
   <%include file="../../go_path.include"/>
   <%include file="../../python_deps.include"/>
+  RUN pip install twisted h2
+
   # Define the default command.
   CMD ["bash"]
   

tools/dockerfile/interoptest/grpc_interop_http2/Dockerfile

@@ -46,6 +46,7 @@ RUN apt-get update && apt-get install -y \
 RUN pip install pip --upgrade
 RUN pip install virtualenv
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 six==1.10.0
+
 RUN pip install twisted h2
 
 # Define the default command.