diff --git a/README.rst b/README.rst
index 0d83457..38fb3ac 100644
--- a/README.rst
+++ b/README.rst
@@ -287,7 +287,7 @@ Development steps for code changes
 
 Upgrade your setup tools and pip. They are needed for development and testing only:
 
-#. pip install --upgrade setuptools "pip==7.1"
+#. pip install --upgrade setuptools pip
 
 Then install relevant development requirements:
 
@@ -296,7 +296,7 @@ Then install relevant development requirements:
 #. pip install -r tests/requirements.txt
 
 
-In order to update test environment, and documentation, additional setps are
+In order to update test environment, and documentation, additional steps are
 required:
 
 #. pip install moban
@@ -325,7 +325,7 @@ Although `nose` and `doctest` are both used in code testing, it is adviable that
 
 On Linux/Unix systems, please launch your tests like this::
 
-    $ make test
+    $ make
 
 On Windows systems, please issue this command::
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 62b0d6c..ae31813 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,4 +1,8 @@
 # -*- coding: utf-8 -*-
+DESCRIPTION = (
+    'A wrapper library to read, manipulate and write data in ods format' +
+    ''
+)
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.doctest',
@@ -16,8 +20,8 @@ master_doc = 'index'
 
 project = u'pyexcel-ods'
 copyright = u'2015-2017 Onni Software Ltd.'
-version = '0.3.0'
-release = '0.3.1'
+version = '0.3.1'
+release = '0.4.0'
 exclude_patterns = []
 pygments_style = 'sphinx'
 html_theme = 'default'
@@ -25,15 +29,19 @@ html_static_path = ['_static']
 htmlhelp_basename = 'pyexcel-odsdoc'
 latex_elements = {}
 latex_documents = [
-    ('index', 'pyexcel-ods.tex', u'pyexcel-ods Documentation',
+    ('index', 'pyexcel-ods.tex',
+     'pyexcel-ods Documentation',
      'Onni Software Ltd.', 'manual'),
 ]
 man_pages = [
-    ('index', 'pyexcel-ods', u'pyexcel-ods Documentation',
+    ('index', 'pyexcel-ods',
+     'pyexcel-ods Documentation',
      [u'Onni Software Ltd.'], 1)
 ]
 texinfo_documents = [
-    ('index', 'pyexcel-ods', u'pyexcel-ods Documentation',
-     'Onni Software Ltd.', 'pyexcel-ods', 'One line description of project.',
+    ('index', 'pyexcel-ods',
+     'pyexcel-ods Documentation',
+     'Onni Software Ltd.', 'pyexcel-ods',
+     DESCRIPTION,
      'Miscellaneous'),
 ]
diff --git a/pyexcel_ods.yaml b/pyexcel_ods.yaml
index a2152a5..31a2d10 100644
--- a/pyexcel_ods.yaml
+++ b/pyexcel_ods.yaml
@@ -1,8 +1,8 @@
 overrides: "pyexcel.yaml"
 name: "pyexcel-ods"
 nick_name: ods
-version: 0.3.1
-release: 0.3.0
+version: 0.4.0
+release: 0.3.1
 file_type: ods
 dependencies:
   - pyexcel-io>=0.3.0
diff --git a/setup.py b/setup.py
index fb71b11..a7fba70 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ except ImportError:
 
 NAME = 'pyexcel-ods'
 AUTHOR = 'C.W.'
-VERSION = '0.3.1'
+VERSION = '0.4.0'
 EMAIL = 'wangc_2011 (at) hotmail.com'
 LICENSE = 'New BSD'
 DESCRIPTION = (
diff --git a/test.bat b/test.bat
index 86e1379..7e4a6fa 100644
--- a/test.bat
+++ b/test.bat
@@ -1,4 +1,2 @@
-
-
 pip freeze
-nosetests --with-cov --cover-package pyexcel_ods --cover-package tests --with-doctest --doctest-extension=.rst tests README.rst docs/source pyexcel_ods && flake8 . --exclude=.moban.d --builtins=unicode,xrange,long
+nosetests --with-cov --cover-package pyexcel_ods --cover-package tests --with-doctest --doctest-extension=.rst README.rst tests docs/source pyexcel_ods && flake8 . --exclude=.moban.d --builtins=unicode,xrange,long
diff --git a/test.sh b/test.sh
index 86e1379..7e4a6fa 100644
--- a/test.sh
+++ b/test.sh
@@ -1,4 +1,2 @@
-
-
 pip freeze
-nosetests --with-cov --cover-package pyexcel_ods --cover-package tests --with-doctest --doctest-extension=.rst tests README.rst docs/source pyexcel_ods && flake8 . --exclude=.moban.d --builtins=unicode,xrange,long
+nosetests --with-cov --cover-package pyexcel_ods --cover-package tests --with-doctest --doctest-extension=.rst README.rst tests docs/source pyexcel_ods && flake8 . --exclude=.moban.d --builtins=unicode,xrange,long
diff --git a/tests/base.py b/tests/base.py
index f92845b..e469574 100644
--- a/tests/base.py
+++ b/tests/base.py
@@ -1,7 +1,7 @@
-import os
+import os  # noqa
 import pyexcel
-import datetime
-from nose.tools import raises, eq_
+import datetime  # noqa
+from nose.tools import raises, eq_  # noqa
 
 
 def create_sample_file1(file):