diff --git a/.github/workflows/build-wheel-release-upload.yml b/.github/workflows/build-wheel-release-upload.yml
index 1c6b4a4..2f3671a 100644
--- a/.github/workflows/build-wheel-release-upload.yml
+++ b/.github/workflows/build-wheel-release-upload.yml
@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
   push:
     tags:
-      - '*'  # Trigger on all tags initially, but tag and release privilege are verified in _build-wheel-release-upload.yml
+      - "*" # Trigger on all tags initially, but tag and release privilege are verified in _build-wheel-release-upload.yml
 
 jobs:
   release:
diff --git a/.github/workflows/check-news-item.yml b/.github/workflows/check-news-item.yml
index 858e7e8..28d61b6 100644
--- a/.github/workflows/check-news-item.yml
+++ b/.github/workflows/check-news-item.yml
@@ -3,7 +3,7 @@ name: Check for News
 on:
   pull_request_target:
     branches:
-    - main
+      - main
 
 jobs:
   check-news-item:
diff --git a/src/diffpy/__init__.py b/src/diffpy/__init__.py
index 8937e5e..84cc23d 100644
--- a/src/diffpy/__init__.py
+++ b/src/diffpy/__init__.py
@@ -12,7 +12,6 @@
 # See LICENSE.rst for license information.
 #
 ##############################################################################
-
 """Blank namespace package for module diffpy."""
 
 
@@ -21,4 +20,3 @@
 __path__ = extend_path(__path__, __name__)
 
 # End of file
-
diff --git a/src/diffpy/similarity/__init__.py b/src/diffpy/similarity/__init__.py
index dd6c334..9cbf47a 100644
--- a/src/diffpy/similarity/__init__.py
+++ b/src/diffpy/similarity/__init__.py
@@ -12,7 +12,8 @@
 # See LICENSE.rst for license information.
 #
 ##############################################################################
-"""Python package for computing various structural similarity metrics and other tasks related to structure similarity"""
+"""Python package for computing various structural similarity metrics and other
+tasks related to structure similarity."""
 
 # package version
 from diffpy.similarity.version import __version__
diff --git a/src/diffpy/similarity/metrics/blank.txt b/src/diffpy/similarity/metrics/blank.txt
index 8b13789..e69de29 100644
--- a/src/diffpy/similarity/metrics/blank.txt
+++ b/src/diffpy/similarity/metrics/blank.txt
@@ -1 +0,0 @@
-
diff --git a/src/diffpy/similarity/tools/blank.txt b/src/diffpy/similarity/tools/blank.txt
index 8b13789..e69de29 100644
--- a/src/diffpy/similarity/tools/blank.txt
+++ b/src/diffpy/similarity/tools/blank.txt
@@ -1 +0,0 @@
-