diff --git a/docs/source/conf.py b/docs/source/conf.py
index c5efba2..d7d83eb 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -18,9 +18,10 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath('.'))
 
-ON_RTD = os.environ.get('READTHEDOCS', None) == 'True'
+sys.path.insert(0, os.path.abspath("."))
+
+ON_RTD = os.environ.get("READTHEDOCS", None) == "True"
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -30,47 +31,56 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ['sphinx.ext.autodoc',
-    'sphinx.ext.doctest',
-    'sphinx.ext.todo',
-    'sphinx.ext.coverage',
-    'sphinx.ext.mathjax',
-    'sphinx.ext.ifconfig',
-    'sphinx.ext.viewcode',
-    'sphinx.ext.githubpages',
-    'nbsphinx']
-
-exclude_patterns = ['_build', 'source/.ipynb_checkpoints/*']
+extensions = [
+    "sphinx.ext.autodoc",
+    "sphinx.ext.doctest",
+    "sphinx.ext.todo",
+    "sphinx.ext.coverage",
+    "sphinx.ext.mathjax",
+    "sphinx.ext.ifconfig",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.githubpages",
+    "nbsphinx",
+]
+
+exclude_patterns = ["_build", "source/.ipynb_checkpoints/*"]
 
 numpydoc_class_members_toctree = False
 
-#nbsphinx_execute = 'never'
+# nbsphinx_execute = 'never'
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = ['.rst', '.ipynb']
+source_suffix = [".rst"]
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Properimage'
-copyright = u'2017, Bruno Sánchez'
-author = u'Bruno Sánchez'
+project = "Properimage"
+copyright = "2017, Bruno Sánchez"
+author = "Bruno Sánchez"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
+# Get the version from properimage package itself (not imported)
+with open(os.path.join("..", "..", "properimage", "__init__.py"), "r") as f:
+    for line in f:
+        if line.startswith("__version__"):
+            _, _, __version__ = line.replace('"', "").split()
+            break
+#
 # The short X.Y version.
-version = u'0.2'
+version = __version__
 # The full version, including alpha/beta/rc tags.
-release = u'0.2.1'
+release = __version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -85,7 +95,7 @@
 exclude_patterns = []
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
@@ -96,7 +106,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'sphinx_rtd_theme'
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -107,7 +117,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -115,9 +125,9 @@
 # This is required for the alabaster theme
 # refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
 html_sidebars = {
-    '**': [
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
+    "**": [
+        "relations.html",  # needs 'show_related': True theme option to display
+        "searchbox.html",
     ]
 }
 
@@ -125,7 +135,7 @@
 # -- Options for HTMLHelp output ------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'Properimagedoc'
+htmlhelp_basename = "Properimagedoc"
 
 
 # -- Options for LaTeX output ---------------------------------------------
@@ -134,15 +144,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -152,8 +159,13 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'Properimage.tex', u'Properimage Documentation',
-     u'Bruno Sánchez', 'manual'),
+    (
+        master_doc,
+        "Properimage.tex",
+        "Properimage Documentation",
+        "Bruno Sánchez",
+        "manual",
+    ),
 ]
 
 
@@ -162,8 +174,7 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'properimage', u'Properimage Documentation',
-     [author], 1)
+    (master_doc, "properimage", "Properimage Documentation", [author], 1)
 ]
 
 
@@ -173,13 +184,18 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'Properimage', u'Properimage Documentation',
-     author, 'Properimage', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "Properimage",
+        "Properimage Documentation",
+        author,
+        "Properimage",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 
-
 # -- Options for Epub output ----------------------------------------------
 
 # Bibliographic Dublin Core info.
@@ -198,25 +214,28 @@
 # epub_uid = ''
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 
 import subs
 
 if not ON_RTD:  # only import and set the theme if we're building docs locally
     import sphinx_rtd_theme
-    html_theme = 'sphinx_rtd_theme'
+
+    html_theme = "sphinx_rtd_theme"
     html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 else:
     from mock import Mock as MagicMock
+
     class Mock(MagicMock):
         @classmethod
         def __getattr__(cls, name):
-                return Mock()
+            return Mock()
+
     sys.modules.update((mod_name, Mock()) for mod_name in subs.MOCK_MODULES)
 
 
 rst_epilog = "\n".join(
     [".. _{}: {}".format(k, v) for k, v in subs.TARGETS.items()]
-    #~ [".. |{}| replace:: {}".format(k, v) for k, v in subs.SUBSTITUTIONS.items()]
+    # ~ [".. |{}| replace:: {}".format(k, v) for k, v in subs.SUBSTITUTIONS.items()]
 )
diff --git a/docs/source/subs.py b/docs/source/subs.py
index 49dcc3c..4c79e5a 100644
--- a/docs/source/subs.py
+++ b/docs/source/subs.py
@@ -9,7 +9,5 @@
     "virtualenv": "http://www.virtualenv.org/",
     "virtualenvwrapper": "https://virtualenvwrapper.readthedocs.org/en/latest/",
     "standalone pip installer": "https://pip.pypa.io/en/latest/installing.html#install-pip",
-
     "Git": "http://git-scm.com/",
 }
-