diff --git a/import_failed.py b/import_failed.py
index 7e83460..258b5a5 100644
--- a/import_failed.py
+++ b/import_failed.py
@@ -8,11 +8,12 @@ if __spec__:
 else:
     failed_name = __name__
 
-for line in open(failed_map_path):
-    package = line.split(':')[0]
-    imports = line.split(':')[1]
-    if failed_name in imports:
-        raise ImportError(f"""Module '{failed_name}' is not installed.
+with open(failed_map_path) as fd:
+    for line in fd:
+        package = line.split(':')[0]
+        imports = line.split(':')[1]
+        if failed_name in imports:
+            raise ImportError(f"""Module '{failed_name}' is not installed.
 Use:
   sudo zypper install {package}
 to install it.""")
diff --git a/python38.changes b/python38.changes
index 02b2884..f9ffdf3 100644
--- a/python38.changes
+++ b/python38.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun May  2 09:20:06 UTC 2021 - Ben Greiner <code@bnavigator.de>
+
+- Make sure to close the import_failed.map file after the exception
+  has been raised in order to avoid ResourceWarnings when the
+  failing import is part of a try...except block.
+
 -------------------------------------------------------------------
 Wed Apr 28 17:32:55 UTC 2021 - Matej Cepl <mcepl@suse.com>