diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4b9183f9f..9c5f12cfb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -83,7 +83,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest']
-        python-version: ['3.7', '3.8', '3.9']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         include:
           - os: 'macos-latest'
             python-version: '3.8'
diff --git a/metomi/rose/__init__.py b/metomi/rose/__init__.py
index 9f357664f..0c66c02de 100644
--- a/metomi/rose/__init__.py
+++ b/metomi/rose/__init__.py
@@ -17,7 +17,6 @@
 """This package contains the Python code for Rose utilities.
 
 This module contains the constants that are used globally within these.
-
 """
 
 # File format syntax
diff --git a/t/rose-metadata-check/09-custom-macro.t b/t/rose-metadata-check/09-custom-macro.t
index 417bb1a72..e10e4d685 100755
--- a/t/rose-metadata-check/09-custom-macro.t
+++ b/t/rose-metadata-check/09-custom-macro.t
@@ -118,10 +118,11 @@ __META_CONFIG__
 init_macro envswitch.py < $TEST_SOURCE_DIR/lib/custom_macro_corrupt.py
 run_fail "$TEST_KEY" rose metadata-check -C ../config
 file_cmp "$TEST_KEY.out" "$TEST_KEY.out" </dev/null
+sed -i 's/ expected an indented block .*//' "${TEST_KEY}.err"  # error message varies with Python version
 file_cmp "$TEST_KEY.err" "$TEST_KEY.err" <<'__ERROR__'
 [V] rose.metadata_check.MetadataChecker: issues: 1
     namelist:macro_nl=my_macro_var1=macro=envswitch.LogicalTransformer
-        Could not import envswitch.LogicalTransformer: IndentationError: expected an indented block (envswitch.py, line 33)
+        Could not import envswitch.LogicalTransformer: IndentationError:
 __ERROR__
 teardown
 #-------------------------------------------------------------------------------