diff --git a/phys2bids/__init__.py b/phys2bids/__init__.py
index 3850dc98b..86b03bec9 100644
--- a/phys2bids/__init__.py
+++ b/phys2bids/__init__.py
@@ -1,4 +1,5 @@
 """Main init for phys2bids package."""
+
 from ._version import get_versions
 
 __version__ = get_versions()["version"]
diff --git a/phys2bids/bids.py b/phys2bids/bids.py
index 356aebc34..b2802a639 100644
--- a/phys2bids/bids.py
+++ b/phys2bids/bids.py
@@ -1,4 +1,5 @@
 """BIDS functions for phys2bids package."""
+
 import logging
 import os
 from csv import reader
diff --git a/phys2bids/utils.py b/phys2bids/utils.py
index ced80b8f6..05949afa9 100644
--- a/phys2bids/utils.py
+++ b/phys2bids/utils.py
@@ -1,4 +1,5 @@
 """Utilities for phys2bids package."""
+
 import json
 import logging
 import os
diff --git a/phys2bids/viz.py b/phys2bids/viz.py
index 7f6a8e4fa..92f12d6cb 100644
--- a/phys2bids/viz.py
+++ b/phys2bids/viz.py
@@ -1,4 +1,5 @@
 """Visualization functions for phys2bids package."""
+
 import logging
 import os