diff --git a/pyaer/__about__.py b/pyaer/__about__.py
index bd96a42..87498d8 100644
--- a/pyaer/__about__.py
+++ b/pyaer/__about__.py
@@ -1,5 +1,3 @@
-"""About page."""
-
 __all__ = ["__version__", "__author__", "__author_email__", "__url__"]
 
 __version__ = "0.2.7a0"
diff --git a/pyaer/__init__.py b/pyaer/__init__.py
index 38ae5ce..1b8b2cb 100644
--- a/pyaer/__init__.py
+++ b/pyaer/__init__.py
@@ -1,9 +1,3 @@
-"""Properly init the package.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
-
 from __future__ import absolute_import
 from __future__ import print_function
 
diff --git a/pyaer/comm.py b/pyaer/comm.py
index be7cc08..448008e 100644
--- a/pyaer/comm.py
+++ b/pyaer/comm.py
@@ -1,17 +1,12 @@
 """Communication Module.
 
-This script includes class definitions for communication
-between processes. Example usage is to have a process for
-fetching data from the event cameras and other processes for
-processing the data.
-The communication protocol is implemented through zeromq package.
-
-The design principle is similar to ROS where there is a hub for
-central scheduling, a group of publishers for sending data, and
-a group of subscribers to get/process data.
-
-Author: Yuhuang Hu
-Email : yuhuang.hu@ini.uzh.ch
+This script includes class definitions for communication between processes. Example
+usage is to have a process for fetching data from the event cameras and other processes
+for processing the data. The communication protocol is implemented through zeromq
+package.
+
+The design principle is similar to ROS where there is a hub for central scheduling, a
+group of publishers for sending data, and a group of subscribers to get/process data.
 """
 
 import json
@@ -612,9 +607,8 @@ def __init__(
 
         This is a shell implementation.
 
-        Intend to use as a processing unit.
-        First subscribe on a topic, process it, and then publish to
-        a topic
+        Intend to use as a processing unit. First subscribe on a topic, process it, and
+        then publish to a topic
         """
         self.__dict__.update(kwargs)
 
diff --git a/pyaer/container.py b/pyaer/container.py
index 6a486d4..5932ac8 100644
--- a/pyaer/container.py
+++ b/pyaer/container.py
@@ -1,13 +1,4 @@
-"""Event Container.
-
-Motivation: After the events are read from the event packet,
-it's difficult to use and less informative to return them
-as single variables, therefore, I decide to introduce a
-container that can manage all the returned Python variables.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 from typing import Optional
 
diff --git a/pyaer/davis.py b/pyaer/davis.py
index 5180592..1e76df6 100644
--- a/pyaer/davis.py
+++ b/pyaer/davis.py
@@ -1,8 +1,4 @@
-"""DAVIS Camera.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import numpy as np
 
diff --git a/pyaer/device.py b/pyaer/device.py
index 9d8e6a7..7a1d80a 100644
--- a/pyaer/device.py
+++ b/pyaer/device.py
@@ -1,8 +1,4 @@
-"""Generic Device.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import abc
 
diff --git a/pyaer/dvs128.py b/pyaer/dvs128.py
index 1be6f0a..fa4b8ff 100644
--- a/pyaer/dvs128.py
+++ b/pyaer/dvs128.py
@@ -1,8 +1,4 @@
-"""DVS128.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import numpy as np
 
diff --git a/pyaer/dvxplorer.py b/pyaer/dvxplorer.py
index 8268158..a8731fd 100644
--- a/pyaer/dvxplorer.py
+++ b/pyaer/dvxplorer.py
@@ -1,8 +1,4 @@
-"""DVXPLORER Camera.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import numpy as np
 
diff --git a/pyaer/dynapse.py b/pyaer/dynapse.py
index 2d058ce..531f6c6 100644
--- a/pyaer/dynapse.py
+++ b/pyaer/dynapse.py
@@ -1,8 +1,4 @@
-"""DYNAPSE.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import time
 
diff --git a/pyaer/edvs.py b/pyaer/edvs.py
index a7174bb..6820293 100644
--- a/pyaer/edvs.py
+++ b/pyaer/edvs.py
@@ -1,8 +1,4 @@
-"""eDVS.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import numpy as np
 
diff --git a/pyaer/evk.py b/pyaer/evk.py
index 8ee1c2b..2d35bb4 100644
--- a/pyaer/evk.py
+++ b/pyaer/evk.py
@@ -1,8 +1,4 @@
-"""Samsung EVK Camera.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import numpy as np
 
diff --git a/pyaer/filters.py b/pyaer/filters.py
index 22f2da1..065ddcf 100644
--- a/pyaer/filters.py
+++ b/pyaer/filters.py
@@ -1,8 +1,4 @@
-"""Implementation of software filters in libcaer.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 from typing import Any
 from typing import Dict
diff --git a/pyaer/log.py b/pyaer/log.py
index b88c71c..033442b 100644
--- a/pyaer/log.py
+++ b/pyaer/log.py
@@ -1,10 +1,4 @@
-"""Logger for PyAER.
-
-NOTE: this is different from libcaer's logger.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import logging
 from logging import Logger
diff --git a/pyaer/utils.py b/pyaer/utils.py
index eeb0d31..c64615a 100644
--- a/pyaer/utils.py
+++ b/pyaer/utils.py
@@ -1,8 +1,4 @@
-"""Utilities Functions.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
+from __future__ import annotations
 
 import importlib.util as imutil
 import json
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..b0a6e9e
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,10 @@
+[mypy]
+
+[mypy-h5py.*]
+ignore_missing_imports = True
+
+[mypy-zarr.*]
+ignore_missing_imports = True
+
+[mypy-yaml.*]
+ignore_missing_imports = True
diff --git a/setup.py b/setup.py
index 6c6b63a..e169017 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,4 @@
-"""Setup script for the pyaer package.
-
-Author: Yuhuang Hu
-Email : duguyue100@gmail.com
-"""
-
-from __future__ import absolute_import
-from __future__ import print_function
+from __future__ import annotations
 
 import os
 from sys import platform