AttributeError: 'Writer' object has no attribute 'materialize_template' raised,while building pages

[garykiller]

details about the errors.

ERROR:blogofile:Fatal build error occured, calling bf.config.build_exception()
Traceback (most recent call last):
File "/usr/local/bin/blogofile", line 9, in
load_entry_point('Blogofile==0.8.3', 'console_scripts', 'blogofile')()
File "/Library/Python/2.7/site-packages/Blogofile-0.8.3-py2.7.egg/blogofile/main.py", line 58, in main
args.func(args)
File "/Library/Python/2.7/site-packages/Blogofile-0.8.3-py2.7.egg/blogofile/main.py", line 388, in do_build
writer.write_site()
File "/Library/Python/2.7/site-packages/Blogofile-0.8.3-py2.7.egg/blogofile/writer.py", line 49, in write_site
self.__run_controllers()
File "/Library/Python/2.7/site-packages/Blogofile-0.8.3-py2.7.egg/blogofile/writer.py", line 162, in __run_controllers
controller.run_all(namespaces)
File "/Library/Python/2.7/site-packages/Blogofile-0.8.3-py2.7.egg/blogofile/controller.py", line 229, in run_all
c.mod.run()
File "_controllers/websitebuild.py", line 41, in run
build_home()
File "_controllers/websitebuild.py", line 54, in build_home
bf.writer.materialize_template("home.mako",
AttributeError: 'Writer' object has no attribute 'materialize_template'