diff --git a/.travis.yml b/.travis.yml
index 472ced24..1f94026f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,40 +1,44 @@
 language: python
-dist: xenial
+dist: bionic
 sudo: required
 
-matrix:
-    include:
-        - python: 3.5
-        - python: 3.6
-        - python: 3.7
-        - python: 3.8
-
 # GitHub branch
 branches:
   only:
     - master
 
+# build jobs
+jobs:
+  include:
+    - python: 3.5
+    - python: 3.6
+    - python: 3.7
+    - python: 3.8
+      after_success:
+        - coveralls
+    - stage: deploy
+      install:
+        - pip install numpy scipy progressbar2
+        - pip install sphinx sphinx-rtd-theme sphinxcontrib-bibtex numpydoc==0.9.2 travis-sphinx
+      script:
+        - sphinx-apidoc -feo docs/source modopt
+        - travis-sphinx -v -o docs/build build -n -s docs/source
+      after_success:
+        - travis-sphinx -o docs/build deploy
+
 # update pre-installed packages
 before_install:
   - pip list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip install -U
 
-# install package and dependencies
+# install dependencies
 install:
-  - pip install coverage nose pytest pytest-cov
+  - pip install coverage nose pytest pytest-cov coveralls
   - pip install scikit-learn
   - pip install astropy scikit-image
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then pip install numpy future scipy astropy progressbar2 sphinx sphinx-rtd-theme sphinxcontrib-bibtex numpydoc travis-sphinx coveralls; fi
 
 # run unit tests
 script:
   - python setup.py test
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then sphinx-apidoc -feo docs/source modopt/; fi
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then travis-sphinx -v -o docs/build build -n -s docs/source; fi
-
-# run coverage tests
-after_success:
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then coveralls; fi
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then travis-sphinx -o docs/build deploy; fi
 
 # notification settings
 notification:
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 00000000..916c2c9b
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,3 @@
+include requirements.txt
+include README.rst
+include LICENSE.txt
diff --git a/README.rst b/README.rst
index 496a1419..e8f95c13 100644
--- a/README.rst
+++ b/README.rst
@@ -30,9 +30,9 @@ ModOpt
 
 :Author: Samuel Farrens `(samuel.farrens@cea.fr) <samuel.farrens@cea.fr>`_
 
-:Version: 1.4.3
+:Version: 1.4.4
 
-:Release Date: 30/04/2020
+:Release Date: 16/06/2020
 
 :Documentation: |link-to-docs|
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 03d8a5e7..cca36eb4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -23,7 +23,7 @@
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
+# needs_sphinx = '1.0'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
@@ -64,7 +64,7 @@
 source_suffix = '.rst'
 
 # The encoding of source files.
-#source_encoding = 'utf-8-sig'
+# source_encoding = 'utf-8-sig'
 
 # The master toctree document.
 master_doc = 'index'
@@ -92,9 +92,9 @@
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-#today = ''
+# today = ''
 # Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
+# today_fmt = '%B %d, %Y'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
@@ -102,14 +102,14 @@
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
-#default_role = None
+# default_role = None
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
+# add_function_parentheses = True
 
 # If true, the current module name will be prepended to all description
 # unit titles (such as .. function::).
-#add_module_names = True
+# add_module_names = True
 
 # If true, sectionauthor and moduleauthor directives will be shown in the
 # output. They are ignored by default.
@@ -119,10 +119,10 @@
 pygments_style = 'sphinx'
 
 # A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
+# modindex_common_prefix = []
 
 # If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
+# keep_warnings = False
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
@@ -148,23 +148,23 @@
 }
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
+# html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-#html_title = None
+# html_title = None
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
+# html_short_title = None
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-#html_logo = None
+# html_logo = None
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+# html_favicon = None
 
 # 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,
@@ -175,64 +175,65 @@
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
 # directly to the root of the documentation.
-#html_extra_path = []
+# html_extra_path = []
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+# html_last_updated_fmt = '%b %d, %Y'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-#html_use_smartypants = True
+# html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
-html_sidebars = { '**': ['globaltoc.html', 'relations.html', 'sourcelink.html', 'searchbox.html'], }
+# html_sidebars = {}
+html_sidebars = {'**': ['globaltoc.html', 'relations.html',
+                        'sourcelink.html', 'searchbox.html'], }
 
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
-#html_additional_pages = {}
+# html_additional_pages = {}
 
 # If false, no module index is generated.
-#html_domain_indices = True
+# html_domain_indices = True
 
 # If false, no index is generated.
-#html_use_index = True
+# html_use_index = True
 
 # If true, the index is split into individual pages for each letter.
-#html_split_index = False
+# html_split_index = False
 
 # If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
+# html_show_sourcelink = True
 
 # If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-#html_show_sphinx = True
+# html_show_sphinx = True
 
 # If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-#html_show_copyright = True
+# html_show_copyright = True
 
 # If true, an OpenSearch description file will be output, and all pages will
 # contain a <link> tag referring to it.  The value of this option must be the
 # base URL from which the finished HTML is served.
-#html_use_opensearch = ''
+# html_use_opensearch = ''
 
 # This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
+# html_file_suffix = None
 
 # Language to be used for generating the HTML full-text search index.
 # Sphinx supports the following languages:
 #   'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
 #   'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
-#html_search_language = 'en'
+# html_search_language = 'en'
 
 # A dictionary with options for the search language support, empty by default.
 # Now only 'ja' uses this config value
-#html_search_options = {'type': 'default'}
+# html_search_options = {'type': 'default'}
 
 # The name of a javascript file (relative to the configuration directory) that
 # implements a search results scorer. If empty, the default will be used.
-#html_search_scorer = 'scorer.js'
+# html_search_scorer = 'scorer.js'
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'sftoolsdoc'
@@ -240,17 +241,17 @@
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-# The paper size ('letterpaper' or 'a4paper').
-#'papersize': 'letterpaper',
+    # The paper size ('letterpaper' or 'a4paper').
+    # 'papersize': 'letterpaper',
 
-# The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
+    # The font size ('10pt', '11pt' or '12pt').
+    # 'pointsize': '10pt',
 
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
+    # Additional stuff for the LaTeX preamble.
+    # 'preamble': '',
 
-# Latex figure (float) alignment
-#'figure_align': 'htbp',
+    # Latex figure (float) alignment
+    # 'figure_align': 'htbp',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
@@ -263,23 +264,23 @@
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+# latex_logo = None
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
-#latex_use_parts = False
+# latex_use_parts = False
 
 # If true, show page references after internal links.
-#latex_show_pagerefs = False
+# latex_show_pagerefs = False
 
 # If true, show URL addresses after external links.
-#latex_show_urls = False
+# latex_show_urls = False
 
 # Documents to append as an appendix to all manuals.
-#latex_appendices = []
+# latex_appendices = []
 
 # If false, no module index is generated.
-#latex_domain_indices = True
+# latex_domain_indices = True
 
 
 # -- Options for manual page output ---------------------------------------
@@ -292,7 +293,7 @@
 ]
 
 # If true, show URL addresses after external links.
-#man_show_urls = False
+# man_show_urls = False
 
 
 # -- Options for Texinfo output -------------------------------------------
@@ -307,16 +308,16 @@
 ]
 
 # Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
+# texinfo_appendices = []
 
 # If false, no module index is generated.
-#texinfo_domain_indices = True
+# texinfo_domain_indices = True
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
+# texinfo_show_urls = 'footnote'
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
-#texinfo_no_detailmenu = False
+# texinfo_no_detailmenu = False
 
 
 # -- Options for Epub output ----------------------------------------------
@@ -328,65 +329,65 @@
 epub_copyright = copyright
 
 # The basename for the epub file. It defaults to the project name.
-#epub_basename = project
+# epub_basename = project
 
 # The HTML theme for the epub output. Since the default themes are not
 # optimized for small screen space, using the same theme for HTML and epub
 # output is usually not wise. This defaults to 'epub', a theme designed to save
 # visual space.
-#epub_theme = 'epub'
+# epub_theme = 'epub'
 
 # The language of the text. It defaults to the language option
 # or 'en' if the language is not set.
-#epub_language = ''
+# epub_language = ''
 
 # The scheme of the identifier. Typical schemes are ISBN or URL.
-#epub_scheme = ''
+# epub_scheme = ''
 
 # The unique identifier of the text. This can be a ISBN number
 # or the project homepage.
-#epub_identifier = ''
+# epub_identifier = ''
 
 # A unique identification for the text.
-#epub_uid = ''
+# epub_uid = ''
 
 # A tuple containing the cover image and cover page html template filenames.
-#epub_cover = ()
+# epub_cover = ()
 
 # A sequence of (type, uri, title) tuples for the guide element of content.opf.
-#epub_guide = ()
+# epub_guide = ()
 
 # HTML files that should be inserted before the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
-#epub_pre_files = []
+# epub_pre_files = []
 
 # HTML files that should be inserted after the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
-#epub_post_files = []
+# epub_post_files = []
 
 # A list of files that should not be packed into the epub file.
 epub_exclude_files = ['search.html']
 
 # The depth of the table of contents in toc.ncx.
-#epub_tocdepth = 3
+# epub_tocdepth = 3
 
 # Allow duplicate toc entries.
-#epub_tocdup = True
+# epub_tocdup = True
 
 # Choose between 'default' and 'includehidden'.
-#epub_tocscope = 'default'
+# epub_tocscope = 'default'
 
 # Fix unsupported image types using the Pillow.
-#epub_fix_images = False
+# epub_fix_images = False
 
 # Scale large images.
-#epub_max_image_width = 0
+# epub_max_image_width = 0
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-#epub_show_urls = 'inline'
+# epub_show_urls = 'inline'
 
 # If false, no index is generated.
-#epub_use_index = True
+# epub_use_index = True
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 6ed406f6..7ed86897 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -8,9 +8,9 @@ ModOpt Documentation
 
 :Author: Samuel Farrens `(samuel.farrens@cea.fr) <samuel.farrens@cea.fr>`_
 
-:Version: 1.4.3
+:Version: 1.4.4
 
-:Release Date: 30/04/2020
+:Release Date: 16/06/2020
 
 :Documentation: |link-to-docs|
 
diff --git a/docs/source/modopt.base.rst b/docs/source/modopt.base.rst
index 71c5c518..fc01e712 100644
--- a/docs/source/modopt.base.rst
+++ b/docs/source/modopt.base.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.base.np_adjust
    modopt.base.observable
diff --git a/docs/source/modopt.interface.rst b/docs/source/modopt.interface.rst
index dfe7b9d8..40217949 100644
--- a/docs/source/modopt.interface.rst
+++ b/docs/source/modopt.interface.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.interface.errors
    modopt.interface.log
diff --git a/docs/source/modopt.math.rst b/docs/source/modopt.math.rst
index 2966a451..23e3a9fd 100644
--- a/docs/source/modopt.math.rst
+++ b/docs/source/modopt.math.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.math.convolve
    modopt.math.matrix
diff --git a/docs/source/modopt.opt.rst b/docs/source/modopt.opt.rst
index c6db25f0..4a56c9da 100644
--- a/docs/source/modopt.opt.rst
+++ b/docs/source/modopt.opt.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.opt.algorithms
    modopt.opt.cost
diff --git a/docs/source/modopt.plot.rst b/docs/source/modopt.plot.rst
index e88960c6..df2019eb 100644
--- a/docs/source/modopt.plot.rst
+++ b/docs/source/modopt.plot.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.plot.cost_plot
 
diff --git a/docs/source/modopt.rst b/docs/source/modopt.rst
index 41182f0c..5aaff862 100644
--- a/docs/source/modopt.rst
+++ b/docs/source/modopt.rst
@@ -5,6 +5,7 @@ Subpackages
 -----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.base
    modopt.interface
@@ -17,6 +18,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.info
 
diff --git a/docs/source/modopt.signal.rst b/docs/source/modopt.signal.rst
index e8ae7073..ea48be16 100644
--- a/docs/source/modopt.signal.rst
+++ b/docs/source/modopt.signal.rst
@@ -5,6 +5,7 @@ Submodules
 ----------
 
 .. toctree::
+   :maxdepth: 4
 
    modopt.signal.filter
    modopt.signal.noise
diff --git a/docs/source/modules.rst b/docs/source/modules.rst
index cb4ff59e..d9d7cac1 100644
--- a/docs/source/modules.rst
+++ b/docs/source/modules.rst
@@ -1,8 +1,7 @@
-ModOpt
+modopt
 ======
 
 .. toctree::
    :maxdepth: 4
 
    modopt
-   setup
diff --git a/docs/source/plugin_example.rst b/docs/source/plugin_example.rst
index 54dbd818..47bdff92 100644
--- a/docs/source/plugin_example.rst
+++ b/docs/source/plugin_example.rst
@@ -151,7 +151,7 @@ specify that we want a maximum of 500 iterations.
 
 .. parsed-literal::
 
-    100% (500 of 500) |######################| Elapsed Time: 0:00:00 Time:  0:00:00
+    100% (500 of 500) \|######################\| Elapsed Time: 0:00:00 Time:  0:00:00
 
 
 .. parsed-literal::
diff --git a/docs/source/setup.rst b/docs/source/setup.rst
deleted file mode 100644
index 552eb49d..00000000
--- a/docs/source/setup.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-setup module
-============
-
-.. automodule:: setup
-   :members:
-   :undoc-members:
-   :show-inheritance:
diff --git a/modopt/info.py b/modopt/info.py
index aa9bdcaf..04b5668b 100644
--- a/modopt/info.py
+++ b/modopt/info.py
@@ -6,12 +6,12 @@
 
 :Author: Samuel Farrens <samuel.farrens@cea.fr>
 
-:Version: 1.4.3
+:Version: 1.4.4
 
 """
 
 # Package Version
-version_info = (1, 4, 3)
+version_info = (1, 4, 4)
 __version__ = '.'.join(str(c) for c in version_info)
 
 __about__ = ('ModOpt \n\n '
diff --git a/modopt/signal/wavelet.py b/modopt/signal/wavelet.py
index 19450cdb..8327a275 100644
--- a/modopt/signal/wavelet.py
+++ b/modopt/signal/wavelet.py
@@ -146,7 +146,7 @@ def call_mr_transform(data, opt='', path='./',
     stdout, stderr = execute(command_line)
 
     # Check for errors
-    if any(word in stdout for word in ('bad', 'Error')):
+    if any(word in stdout for word in ('bad', 'Error', 'Sorry')):
 
         remove(file_fits)
         raise RuntimeError('{} raised following exception: "{}"'