diff --git a/README.md b/README.md
index 602df33cecfc8ec37fd791e3257221e66f120cb3..7215591a4f31f1946029442de291eb9ccf9beea1 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ By participating, you are expected to uphold our [Code of Conduct](https://gitla
 * If you have a suggestion for the [documentation](https://docs.indiscale.com/caosdb-pylib/),
 the preferred way is also a merge request as describe above (the documentation resides in `src/doc`).
 However, you can also create an issue for it. 
-* You can also contact us at **info (AT) caosdb.de** and join the
+* You can also contact us at **info (AT) caosdb.org** and join the
   CaosDB community on
   [#caosdb:matrix.org](https://matrix.to/#/!unwwlTfOznjEnMMXxf:matrix.org).
 
diff --git a/README_SETUP.md b/README_SETUP.md
index 48928d6c3f2c878a8d8b268b36ed2cdeba7f8014..01eea85188078ae6f2fe226e89e5c227497b4bd0 100644
--- a/README_SETUP.md
+++ b/README_SETUP.md
@@ -109,6 +109,8 @@ Now would be a good time to continue with the [tutorials](tutorials/index).
 - Run a specific test function: e.g. `tox -- unittests/test_schema.py::test_config_files`
 
 ## Documentation ##
+We use sphinx to create the documentation. Docstrings in the code should comply
+with the Googly style (see link below).
 
 Build documentation in `build/` with `make doc`.
 
@@ -118,5 +120,11 @@ Build documentation in `build/` with `make doc`.
 - `sphinx-autoapi`
 - `recommonmark`
 
+### How to contribute ###
+
+- [Google Style Python Docstrings](https://sphinxcontrib-napoleon.readthedocs.io/en/latest/example_google.html)
+- [Google Style Python Docstrings 2nd reference](https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings)
+- [References to other documentation](https://www.sphinx-doc.org/en/master/usage/extensions/intersphinx.html#role-external)
+
 ### Troubleshooting ###
 If the client is to be executed directly from the `/src` folder, an initial `.\setup.py install --user` must be called.
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index ca6aad829a3e0607292cf69b8b1d4b7f7758993e..0000000000000000000000000000000000000000
--- a/pytest.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[pytest]
-testpaths=unittests
-addopts=-x -vv --cov=caosdb
diff --git a/setup.py b/setup.py
index 35d6d69a83338a0dc543b4b6438b56c1372b7237..fca246ed7004a25e7eedc594a4e7eceb68ee295a 100755
--- a/setup.py
+++ b/setup.py
@@ -174,7 +174,7 @@ def setup_package():
         python_requires='>=3.8',
         package_dir={'': 'src'},
         install_requires=['lxml>=4.6.3',
-                          "requests[socks]>=2.28.1",
+                          "requests[socks]>=2.26",
                           "python-dateutil>=2.8.2",
                           'PyYAML>=5.4.1',
                           'future',
diff --git a/tox.ini b/tox.ini
index 50c22d5716769ef2ec818f6c8fb94491ea372434..3b3371a9424cf6692a7c3c05f9c911ffdd34b957 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,3 +12,8 @@ commands=py.test --cov=caosdb -vv {posargs}
 
 [flake8]
 max-line-length=100
+
+[pytest]
+testpaths = unittests
+xfail_strict = True
+addopts = -x -vv --cov=caosdb