diff --git a/.travis.yml b/.travis.yml
index 3e3e20017..9c6bfa121 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,6 +27,10 @@ before_install:
     - hash -r
     - conda config --add channels conda-forge
     - conda config --set always_yes yes --set changeps1 no
+    # workaround for conda >= 4.8
+    - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
+        pip install tqdm;
+      fi
     - conda update -q conda
 
     # Useful for debugging any issues with conda
@@ -41,7 +45,7 @@ install:
     #   (issue 702 : fixed bug when writing metadata using HDF format)
     - conda create -n travisci --yes python=${TRAVIS_PYTHON_VERSION:0:3}
             "numpy>=1.13" "pandas>=0.20" pytables matplotlib xlrd openpyxl
-            xlsxwriter pytest pytest-pep8
+            xlsxwriter "pytest>=3.5" pytest-pep8
     - source activate travisci
 
 script:
diff --git a/condarecipe/larray/meta.yaml b/condarecipe/larray/meta.yaml
index 150cdd70a..25e9f69d6 100644
--- a/condarecipe/larray/meta.yaml
+++ b/condarecipe/larray/meta.yaml
@@ -1,9 +1,9 @@
 package:
   name: larray
-  version: 0.32.1
+  version: 0.32.2
 
 source:
-  git_tag: 0.32.1
+  git_tag: 0.32.2
   git_url: https://github.com/larray-project/larray.git
 #  git_tag: master
 #  git_url: file://c:/Users/gdm/devel/larray/.git
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 000000000..1b1121016
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,12 @@
+numpy
+pandas
+matplotlib
+tables  # ==pytables
+xlrd
+openpyxl
+sphinx
+numpydoc
+pandoc
+ipython
+ipykernel
+nbsphinx
diff --git a/doc/source/_static/custom.css b/doc/source/_static/custom.css
new file mode 100644
index 000000000..2dbf54ecb
--- /dev/null
+++ b/doc/source/_static/custom.css
@@ -0,0 +1,13 @@
+.classifier {
+    font-style: oblique;
+}
+
+/*
+Workaround for an incompatibility between read the docs theme and sphinx 2.0+
+See: https://github.com/larray-project/larray/issues/849
+*/
+.classifier:before {
+    font-style: normal;
+    margin: 0.5em;
+    content: ":";
+}
diff --git a/doc/source/changes.rst b/doc/source/changes.rst
index e531b1f51..3968e6a11 100644
--- a/doc/source/changes.rst
+++ b/doc/source/changes.rst
@@ -1,6 +1,20 @@
 Change log
 ##########
 
+Version 0.32.2
+==============
+
+Released on 2020-04-03.
+
+CORE
+----
+.. include:: ./changes/version_0_32_2.rst.inc
+
+EDITOR
+------
+.. include:: ./changes/editor/version_0_32_2.rst.inc
+
+
 Version 0.32.1
 ==============
 
diff --git a/doc/source/changes/editor/version_0_32_2.rst.inc b/doc/source/changes/editor/version_0_32_2.rst.inc
new file mode 100644
index 000000000..fb03061e7
--- /dev/null
+++ b/doc/source/changes/editor/version_0_32_2.rst.inc
@@ -0,0 +1,8 @@
+.. py:currentmodule:: larray_editor
+
+Fixes
+^^^^^
+
+* fixed spurious warning in the console when an expression results in an empty sequence (array, list, tuple).
+
+* fixed displaying arrays entirely filled with NaN.
diff --git a/doc/source/changes/version_0_32_2.rst.inc b/doc/source/changes/version_0_32_2.rst.inc
new file mode 100644
index 000000000..21d2f9f13
--- /dev/null
+++ b/doc/source/changes/version_0_32_2.rst.inc
@@ -0,0 +1,11 @@
+.. py:currentmodule:: larray
+
+
+Fixes
+^^^^^
+
+* fixed using Pandas >= 1.0 (closes :issue:`845`).
+
+* fixed the missing space between parameters name and type in API documentation (closes :issue:`849`).
+
+* fixed a few issues for Python 2.7 and/or Linux.
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 49d30e398..e6ed243f5 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -104,7 +104,7 @@
 
 # General information about the project.
 project = 'LArray'
-copyright = '2014-2017, Gaëtan de Menten, Geert Bryon, Johan Duyck, Alix Damman'
+copyright = '2014-2020, Gaëtan de Menten, Geert Bryon, Johan Duyck, Alix Damman'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -190,6 +190,15 @@
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Workaround for an incompatibility between read the docs theme and sphinx 2.0+.
+# See: https://github.com/larray-project/larray/issues/849
+
+# These paths are either relative to html_static_path
+# or fully qualified paths (eg. https://...)
+html_css_files = [
+    'custom.css',
+]
+
 # 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.
diff --git a/doc/source/fetch_changelogs.py b/doc/source/fetch_changelogs.py
index 9ef3e7031..1a7a33b01 100644
--- a/doc/source/fetch_changelogs.py
+++ b/doc/source/fetch_changelogs.py
@@ -30,13 +30,13 @@ def fetch_changelog(section_name, release_name, github_rep, rel_changes_dir='/do
                ['git', 'commit', '-m', f'fetched {section_name} changelog for {short(release_name)}', str(fpath)])
 
 
-def fetch_changelogs(release_name):
-    fetch_changelog('editor', release_name, EDITOR_GITHUB_REP)
+def fetch_changelogs(release_name, branch='master'):
+    fetch_changelog('editor', release_name, EDITOR_GITHUB_REP, branch=branch)
 
-    print(echocall(['git', 'log', 'upstream/master..HEAD']))
+    print(echocall(['git', 'log', f'origin/{branch}..HEAD']))
     if yes('Are the above commits ready to be pushed?', default='n'):
         doechocall('Pushing changes to GitHub',
-                   ['git', 'push', 'upstream', 'master', '--follow-tags'])
+                   ['git', 'push', 'origin', branch, '--follow-tags'])
 
 
 if __name__ == '__main__':
@@ -44,7 +44,7 @@ def fetch_changelogs(release_name):
 
     argv = sys.argv
     if len(argv) < 2:
-        print(f"Usage: {argv[0]} release_name")
+        print(f"Usage: {argv[0]} release_name [branch]")
         sys.exit()
 
-    fetch_changelogs(argv[1])
+    fetch_changelogs(*argv[1:])
diff --git a/larray/__init__.py b/larray/__init__.py
index 3310c1824..914fdf04d 100644
--- a/larray/__init__.py
+++ b/larray/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, division, print_function
 
-__version__ = '0.32.1'
+__version__ = '0.32.2'
 
 
 from larray.core.axis import Axis, AxisCollection, X
diff --git a/larray/core/axis.py b/larray/core/axis.py
index a250d85af..c203e4e7d 100644
--- a/larray/core/axis.py
+++ b/larray/core/axis.py
@@ -2830,7 +2830,7 @@ def _key_to_raw_and_axes(self, key, collapse_slices=False, translate_key=True):
 
         # transform non-Array advanced keys (list and ndarray) to Array
         def to_la_ikey(axis, axis_key):
-            if isinstance(axis_key, (int, np.integer, slice, Array)):
+            if isinstance(axis_key, (int, long, np.integer, slice, Array)):
                 return axis_key
             else:
                 assert isinstance(axis_key, (list, np.ndarray))
diff --git a/larray/inout/pandas.py b/larray/inout/pandas.py
index 36dc563b5..f8680a179 100644
--- a/larray/inout/pandas.py
+++ b/larray/inout/pandas.py
@@ -39,13 +39,13 @@ def index_to_labels(idx, sort=True):
     r"""
     Returns unique labels for each dimension.
     """
-    if isinstance(idx, pd.core.index.MultiIndex):
+    if isinstance(idx, pd.MultiIndex):
         if sort:
             return list(idx.levels)
         else:
             return [list(unique(idx.get_level_values(l))) for l in range(idx.nlevels)]
     else:
-        assert isinstance(idx, pd.core.index.Index)
+        assert isinstance(idx, pd.Index)
         labels = list(idx.values)
         return [sorted(labels) if sort else labels]
 
@@ -53,7 +53,7 @@ def index_to_labels(idx, sort=True):
 def cartesian_product_df(df, sort_rows=False, sort_columns=False, fill_value=nan, **kwargs):
     idx = df.index
     labels = index_to_labels(idx, sort=sort_rows)
-    if isinstance(idx, pd.core.index.MultiIndex):
+    if isinstance(idx, pd.MultiIndex):
         if sort_rows:
             new_index = pd.MultiIndex.from_product(labels)
         else:
@@ -118,14 +118,14 @@ def from_series(s, sort_rows=False, fill_value=nan, meta=None, **kwargs):
     a1   b0  4.0  5.0
     a1   b1  6.0  7.0
     """
-    if isinstance(s.index, pd.core.index.MultiIndex):
+    if isinstance(s.index, pd.MultiIndex):
         # TODO: use argument sort=False when it will be available
         # (see https://github.com/pandas-dev/pandas/issues/15105)
         df = s.unstack(level=-1, fill_value=fill_value)
         # pandas (un)stack and pivot(_table) methods return a Dataframe/Series with sorted index and columns
         if not sort_rows:
             labels = index_to_labels(s.index, sort=False)
-            if isinstance(df.index, pd.core.index.MultiIndex):
+            if isinstance(df.index, pd.MultiIndex):
                 index = pd.MultiIndex.from_tuples(list(product(*labels[:-1])), names=s.index.names[:-1])
             else:
                 index = labels[0]
diff --git a/larray/tests/test_session.py b/larray/tests/test_session.py
index 55fbb0a99..06fb7bc78 100644
--- a/larray/tests/test_session.py
+++ b/larray/tests/test_session.py
@@ -67,7 +67,8 @@ def test_init_session(meta):
 @needs_xlwings
 def test_init_session_xlsx():
     s = Session(inputpath('demography_eurostat.xlsx'))
-    assert s.names == ['births', 'deaths', 'immigration', 'pop', 'pop_benelux']
+    assert s.names == ['births', 'deaths', 'immigration', 'population',
+                       'population_5_countries', 'population_benelux']
 
 
 @needs_pytables
diff --git a/make_release.py b/make_release.py
index b808e3b4b..a68b468cb 100644
--- a/make_release.py
+++ b/make_release.py
@@ -25,11 +25,11 @@
 LARRAY_USERS_GROUP = "larray-users@googlegroups.com"
 
 
-def update_metapackage(public_release, repository, release_name, **extra_kwargs):
+def update_metapackage(public_release, local_repository, release_name, **extra_kwargs):
     if not public_release:
         return
 
-    chdir(repository)
+    chdir(local_repository)
     version = short(release_name)
 
     # TODO: this should be echocall(redirect_stdout=False)
@@ -46,13 +46,13 @@ def update_metapackage(public_release, repository, release_name, **extra_kwargs)
                 '--summary', "'Package installing larray and all sub-projects and optional dependencies'"])
 
 
-def merge_changelogs(build_dir, src_documentation, release_name, public_release, **extra_kwargs):
+def merge_changelogs(build_dir, src_documentation, release_name, public_release, branch='master', **extra_kwargs):
     chdir(join(build_dir, src_documentation))
 
     if not public_release:
         return
 
-    check_call(['python', 'fetch_changelogs.py', release_name])
+    check_call(['python', 'fetch_changelogs.py', release_name, branch])
 
 
 insert_step_func(merge_changelogs, msg='append changelogs from larray-editor project', before='update_changelog')
diff --git a/readthedocs.yml b/readthedocs.yml
index 359e95f11..de31c9be9 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -13,12 +13,17 @@ sphinx:
 formats:
     - pdf
 
-conda:
-    environment: doc/environment.yml
+# we do not use conda anymore because it consumes too much memory and thus crashes our builds
+# see:
+# - https://docs.readthedocs.io/en/stable/guides/build-using-too-many-resources.html#use-pip-when-possible
+# - https://github.com/readthedocs/readthedocs.org/issues/6692
+#conda:
+#    environment: doc/environment.yml
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-    version: 3.6
+    version: 3.7
     install:
-        - method: setuptools
+        - requirements: doc/requirements.txt
+        - method: pip
           path: .
diff --git a/setup.py b/setup.py
index 6160da31b..fb4d4dc02 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ def readlocal(fname):
 
 
 DISTNAME = 'larray'
-VERSION = '0.32.1'
+VERSION = '0.32.2'
 AUTHOR = 'Gaetan de Menten, Geert Bryon, Johan Duyck, Alix Damman'
 AUTHOR_EMAIL = 'gdementen@gmail.com'
 DESCRIPTION = "N-D labeled arrays in Python"