diff --git a/bin/configuration.py b/bin/configuration.py
index 481f0b0..a84d750 100644
--- a/bin/configuration.py
+++ b/bin/configuration.py
@@ -12,6 +12,18 @@ surveys should be under $HOME/etc/surveys/*.yaml. In both cases,
 $HOME is the home directory of the user running this script.
 """
 
+def is_relative_to(it, other):
+	"""
+	is_relative_to() is not present version Python 3.9, so we
+	need this kludge to get Dougal to run on OpenSUSE 15.4
+	"""
+
+	if "is_relative_to" in dir(it):
+		return it.is_relative_to(other)
+
+	return str(it.absolute()).startswith(str(other.absolute()))
+
+
 prefix = os.environ.get("DOUGAL_ROOT", os.environ.get("HOME", ".")+"/software")
 
 DOUGAL_ROOT = os.environ.get("DOUGAL_ROOT", os.environ.get("HOME", ".")+"/software")
@@ -142,7 +154,7 @@ def untranslate_path (file):
 
 	if filepath.is_absolute():
 		if type(import_paths) == str:
-			if filepath.is_relative_to(import_paths):
+			if is_relative_to(filepath, import_paths):
 				physical_root = pathlib.Path("/")
 				physical_prefix = pathlib.Path(import_paths)
 				return str(root.joinpath(filepath.relative_to(physical_prefix)))
@@ -152,7 +164,7 @@ def untranslate_path (file):
 			for key, value in import_paths.items():
 				value = dougal_root.joinpath(value)
 				physical_prefix = pathlib.Path(value)
-				if filepath.is_relative_to(physical_prefix):
+				if is_relative_to(filepath, physical_prefix):
 					logical_prefix = physical_root.joinpath(pathlib.Path(key)).resolve()
 					return str(logical_prefix.joinpath(filepath.relative_to(physical_prefix)))