diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
new file mode 100644
index 0000000..a119e08
--- /dev/null
+++ b/.github/workflows/automerge.yml
@@ -0,0 +1,27 @@
+name: automerge
+on:
+  pull_request:
+    types:
+      - labeled
+      - unlabeled
+      - synchronize
+      - opened
+      - edited
+      - ready_for_review
+      - reopened
+      - unlocked
+  pull_request_review:
+    types:
+      - submitted
+  check_suite:
+    types:
+      - completed
+  status: {}
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    steps:
+      - name: automerge
+        uses: "pascalgn/automerge-action@f81beb99aef41bb55ad072857d43073fba833a98"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1e4a13f..a761cdb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,32 +1,32 @@
 repos:
-- repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v3.2.0
-  hooks:
-  - id: trailing-whitespace
-  - id: end-of-file-fixer
-  - id: check-docstring-first
-  - id: check-yaml
-  - id: debug-statements
-  - id: check-ast
-- repo: https://github.com/ambv/black
-  rev: 19.10b0
-  hooks:
-  - id: black
-- repo: https://github.com/asottile/blacken-docs
-  rev: v1.8.0
-  hooks:
-  - id: blacken-docs
-    additional_dependencies: [black==19.10b0]
-- repo: https://github.com/asottile/pyupgrade
-  rev: v1.25.2
-  hooks:
-  - id: pyupgrade
-    args: ['--py36-plus']
-- repo: https://github.com/timothycrosley/isort
-  rev: 5.4.2
-  hooks:
-  - id: isort
-- repo: https://gitlab.com/pycqa/flake8
-  rev: 3.8.3
-  hooks:
-  - id: flake8
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+    - id: trailing-whitespace
+    - id: end-of-file-fixer
+    - id: check-docstring-first
+    - id: check-yaml
+    - id: debug-statements
+    - id: check-ast
+  - repo: https://github.com/ambv/black
+    rev: 20.8b1
+    hooks:
+    - id: black
+  - repo: https://github.com/asottile/blacken-docs
+    rev: v1.8.0
+    hooks:
+    - id: blacken-docs
+      additional_dependencies: [black==20.8b1]
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.7.2
+    hooks:
+    - id: pyupgrade
+      args: ['--py37-plus']
+  - repo: https://github.com/timothycrosley/isort
+    rev: 5.5.2
+    hooks:
+    - id: isort
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.3
+    hooks:
+    - id: flake8
diff --git a/demo.py b/demo.py
index 2a5c322..242c549 100755
--- a/demo.py
+++ b/demo.py
@@ -35,8 +35,8 @@ def poll(args):
     backend = _get_backend(args)
     poller = MiFloraPoller(args.mac, backend)
     print("Getting data from Mi Flora")
-    print("FW: {}".format(poller.firmware_version()))
-    print("Name: {}".format(poller.name()))
+    print(f"FW: {poller.firmware_version()}")
+    print(f"Name: {poller.name()}")
     print("Temperature: {}".format(poller.parameter_value(MI_TEMPERATURE)))
     print("Moisture: {}".format(poller.parameter_value(MI_MOISTURE)))
     print("Light: {}".format(poller.parameter_value(MI_LIGHT)))
@@ -106,7 +106,7 @@ def main():
         "--backend", choices=["gatttool", "bluepy", "pygatt"], default="gatttool"
     )
     parser.add_argument("-v", "--verbose", action="store_const", const=True)
-    subparsers = parser.add_subparsers(help="sub-command help",)
+    subparsers = parser.add_subparsers(help="sub-command help")
 
     parser_poll = subparsers.add_parser("poll", help="poll data from a sensor")
     parser_poll.add_argument("mac", type=valid_miflora_mac)
diff --git a/miflora/miflora_poller.py b/miflora/miflora_poller.py
index 86f9f5d..93a5937 100644
--- a/miflora/miflora_poller.py
+++ b/miflora/miflora_poller.py
@@ -49,9 +49,7 @@ def format_bytes(raw_data):
 
 
 class MiFloraPoller:
-    """"
-    A class to read data from Mi Flora plant sensors.
-    """
+    """A class to read data from Mi Flora plant sensors."""
 
     def __init__(self, mac, backend, cache_timeout=600, adapter="hci0"):
         """
diff --git a/setup.py b/setup.py
index 0d51428..d25e98b 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 def readme():
     """Load the readme file."""
-    with open("README.md", "r") as readme_file:
+    with open("README.md") as readme_file:
         return readme_file.read()
 
 
@@ -35,6 +35,8 @@ def get_version_and_cmdclass(package_path):
     url="https://github.com/basnijholt/miflora",
     author="Daniel Matuschek",
     author_email="daniel@matuschek.net",
+    maintainer="Bas Nijholt",
+    maintainer_email="bas@nijho.lt",
     license="MIT",
     python_requires=">=3.6",
     classifiers=[
diff --git a/test/helper.py b/test/helper.py
index fc234a4..4d9c141 100644
--- a/test/helper.py
+++ b/test/helper.py
@@ -169,7 +169,7 @@ def _read_history(self):
 
         if self.history_data is None:
             raise ValueError("history not set")
-        (cmd, index,) = unpack("<Bh", self._history_control)
+        (cmd, index) = unpack("<Bh", self._history_control)
         if cmd == 0xA0:
             return self.history_info
         elif cmd == 0xA1: