fix branch names in CI and formatting

.github/workflows/lint.yml

@@ -3,10 +3,10 @@ name: lint
 on:
   push:
     branches:
-      - main
+      - master
   pull_request:
     branches:
-      - main
+      - master
 
 jobs:
   lint:

.github/workflows/test.yml

@@ -2,12 +2,12 @@ name: test
 on:
   push:
     branches:
-      - main
+      - master
     tags:
       - 'v*'
   pull_request:
     branches:
-      - main
+      - master
 
   workflow_dispatch:
 

CHANGELOG.md

@@ -57,8 +57,8 @@
 - Added python 3.9 to build testing.
 
 #### 0.2.1
-- Fixed `ZeroDivisionError` when the Z-dimension is defined, but has a length of 0. 
-- Clarified an error message. 
+- Fixed `ZeroDivisionError` when the Z-dimension is defined, but has a length of 0.
+- Clarified an error message.
 - Added fix for truncated files.
 
 #### 0.2.0

README.md

@@ -69,9 +69,9 @@ The two-dimensional images returned by these methods are Pillow objects, so all
 
 ## Known issues
 
-Below are known issues and limitations with the `readlif` package. If you encounter these issues, please open an issue. 
+Below are known issues and limitations with the `readlif` package. If you encounter these issues, please open an issue.
 
-- There may be an issue where a truncated 16-bit file will load incorrectly; however, this is not tested. 
+- There may be an issue where a truncated 16-bit file will load incorrectly; however, this is not tested.
 
 - There is not support for FlipX, FlipY and SwapXY metadata.