diff --git a/.editorconfig b/.editorconfig
index 99538b9..3545973 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -15,15 +15,6 @@ insert_final_newline = true
 trim_trailing_whitespace = true
 charset = utf-8
 
-# Python files
-[*.py]
-indent_size = 4
-# isort plugin configuration
-known_first_party = invenio_theme_tugraz
-multi_line_output = 2
-default_section = THIRDPARTY
-skip = .eggs
-
 # RST files (used by sphinx)
 [*.rst]
 indent_size = 4
diff --git a/docs/conf.py b/docs/conf.py
index 78d92d3..640f403 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -44,9 +44,9 @@ source_suffix = ".rst"
 master_doc = "index"
 
 # General information about the project.
-project = u"invenio-theme-tugraz"
-copyright = u"2020, Graz University of Technology"
-author = u"Graz University of Technology"
+project = "invenio-theme-tugraz"
+copyright = "2020, Graz University of Technology"
+author = "Graz University of Technology"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -241,8 +241,8 @@ latex_documents = [
     (
         master_doc,
         "invenio-theme-tugraz.tex",
-        u"invenio-theme-tugraz Documentation",
-        u"Graz University of Technology",
+        "invenio-theme-tugraz Documentation",
+        "Graz University of Technology",
         "manual",
     ),
 ]
@@ -276,7 +276,7 @@ man_pages = [
     (
         master_doc,
         "invenio-theme-tugraz",
-        u"invenio-theme-tugraz Documentation",
+        "invenio-theme-tugraz Documentation",
         [author],
         1,
     )
@@ -295,7 +295,7 @@ texinfo_documents = [
     (
         master_doc,
         "invenio-theme-tugraz",
-        u"invenio-theme-tugraz Documentation",
+        "invenio-theme-tugraz Documentation",
         author,
         "invenio-theme-tugraz",
         "invenio module for TUGRAZ theme.",
diff --git a/invenio_theme_tugraz/config.py b/invenio_theme_tugraz/config.py
index 32c4264..52e141f 100644
--- a/invenio_theme_tugraz/config.py
+++ b/invenio_theme_tugraz/config.py
@@ -16,9 +16,7 @@ INVENIO_THEME_TUGRAZ_DEFAULT_VALUE = _("TU Graz Repository")
 INVENIO_THEME_TUGRAZ_BASE_TEMPLATE = "invenio_theme_tugraz/base.html"
 """TU Graz Default base template"""
 
-INVENIO_THEME_TUGRAZ_ACCOUNT_BASE = (
-    "invenio_theme_tugraz/accounts/accounts_base.html"
-)
+INVENIO_THEME_TUGRAZ_ACCOUNT_BASE = "invenio_theme_tugraz/accounts/accounts_base.html"
 """TU Graz Default account base template"""
 
 INVENIO_THEME_TUGRAZ_ICON = "images/icon_use.png"
@@ -75,9 +73,7 @@ THEME_SITENAME = _("Repository")
 SECURITY_LOGIN_USER_TEMPLATE = "invenio_theme_tugraz/accounts/login_user.html"
 """Login template"""
 
-SECURITY_REGISTER_USER_TEMPLATE = (
-    "invenio_theme_tugraz/accounts/register_user.html"
-)
+SECURITY_REGISTER_USER_TEMPLATE = "invenio_theme_tugraz/accounts/register_user.html"
 """Sigup template"""
 
 # Invenio-app-rdm
diff --git a/invenio_theme_tugraz/search.py b/invenio_theme_tugraz/search.py
index bf170db..30ffd6b 100644
--- a/invenio_theme_tugraz/search.py
+++ b/invenio_theme_tugraz/search.py
@@ -20,5 +20,6 @@ class FrontpageRecordsSearch(RecordsSearch):
 
         index = "rdmrecords-records"
         default_filter = Q(
-            "query_string", query=(
-                "access.record:public " "AND versions.is_latest:true"))
+            "query_string",
+            query=("access.record:public " "AND versions.is_latest:true"),
+        )
diff --git a/invenio_theme_tugraz/views.py b/invenio_theme_tugraz/views.py
index a0f3db0..664b62e 100644
--- a/invenio_theme_tugraz/views.py
+++ b/invenio_theme_tugraz/views.py
@@ -51,7 +51,9 @@ def records_serializer(records=None):
     """Serialize list of records."""
     record_list = []
     for record in records:
-        record_list.append(UIJSONSerializer().serialize_object_to_dict(record.to_dict()))
+        record_list.append(
+            UIJSONSerializer().serialize_object_to_dict(record.to_dict())
+        )
     return record_list
 
 
@@ -60,8 +62,7 @@ def index():
     records = FrontpageRecordsSearch()[:5].sort("-created").execute()
 
     return render_template(
-        "invenio_theme_tugraz/index.html",
-        records=records_serializer(records)
+        "invenio_theme_tugraz/index.html", records=records_serializer(records)
     )
 
 
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 166d588..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,12 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2020-2021 Graz University of Technology.
-#
-# invenio-theme-tugraz is free software; you can redistribute it and/or
-# modify it under the terms of the MIT License; see LICENSE file for more
-# details.
-
-[pytest]
-addopts = --isort --pydocstyle --pycodestyle --doctest-glob="*.rst" --doctest-modules --cov=invenio_theme_tugraz --cov-report=term-missing tests invenio_theme_tugraz
-testpaths = tests invenio_theme_tugraz
-live_server_scope = module
diff --git a/setup.cfg b/setup.cfg
index 6be352f..2b24a22 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,6 +44,7 @@ install_requires =
 
 [options.extras_require]
 tests =
+    pytest-black>=0.3.0,<0.3.10
     sphinx>=4.2.0,<5
     pytest-invenio>=1.4.7
     invenio-app>=1.3.0,<2.0.0
@@ -94,20 +95,10 @@ output-dir = invenio_theme_tugraz/translations/
 [update_catalog]
 input-file = invenio_theme_tugraz/translations/messages.pot
 output-dir = invenio_theme_tugraz/translations/
-
-[flake8]
-max-line-length = 88
-extend-ignore = E203
-select = C,E,F,W,B,B950
-ignore = E501
-
 [isort]
-multi_line_output = 3
-include_trailing_comma = True
-force_grid_wrap = 0
-use_parentheses = True
-ensure_newline_before_comments = True
-line_length = 88
+profile=black
 
-[pycodestyle]
-ignore = E203,E501
+[tool:pytest]
+addopts = --black --isort --pydocstyle --doctest-glob="*.rst" --doctest-modules --cov=invenio_theme_tugraz --cov-report=term-missing tests invenio_theme_tugraz
+testpaths = tests invenio_theme_tugraz
+live_server_scope = module