diff --git a/python-pylzma-test-python3.patch b/python-pylzma-test-python3.patch
new file mode 100644
index 0000000..6f2c780
--- /dev/null
+++ b/python-pylzma-test-python3.patch
@@ -0,0 +1,13 @@
+Index: pylzma-0.5.0/tests/test_usage.py
+===================================================================
+--- pylzma-0.5.0.orig/tests/test_usage.py	2018-09-26 20:36:11.000000000 +0200
++++ pylzma-0.5.0/tests/test_usage.py	2021-09-15 11:19:08.201378252 +0200
+@@ -38,7 +38,7 @@ sys.path.insert(0, ROOT)
+ def cleanup(path):
+     try:
+         shutil.rmtree(path)
+-    except EnvironmentError, e:
++    except EnvironmentError as e:
+         if e.errno != errno.ENOENT:
+             raise
+ 
diff --git a/python-pylzma.changes b/python-pylzma.changes
index 2d2f47b..7df28ff 100644
--- a/python-pylzma.changes
+++ b/python-pylzma.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Sep 15 09:20:27 UTC 2021 - pgajdos@suse.com
+
+- %check: use %pyunittest_arch rpm macro
+- added patches
+  fix https://github.com/fancycode/pylzma/issues/76
+  + python-pylzma-test-python3.patch
+
 -------------------------------------------------------------------
 Wed Jan  2 14:09:12 UTC 2019 - Martin Pluskal <mpluskal@suse.com>
 
diff --git a/python-pylzma.spec b/python-pylzma.spec
index f5c02f3..06b6524 100644
--- a/python-pylzma.spec
+++ b/python-pylzma.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-pylzma
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,6 +26,8 @@ License:        LGPL-2.1-only
 Group:          Development/Languages/Python
 URL:            https://github.com/fancycode/pylzma
 Source0:        https://github.com/fancycode/pylzma/archive/v%{version}.tar.gz
+# https://github.com/fancycode/pylzma/issues/76
+Patch0:         python-pylzma-test-python3.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
@@ -38,6 +40,7 @@ that has been compressed or can be decompressed by the LZMA library.
 
 %prep
 %setup -q -n %{oname}-%{version}
+%patch0 -p1
 
 # Remove Shebang
 sed -i '1d' py7zlib.py
@@ -50,7 +53,7 @@ sed -i '1d' py7zlib.py
 %python_expand %fdupes %{buildroot}%{$python_sitearch}
 
 %check
-%python_exec setup.py test
+%pyunittest_arch discover -v
 
 %files %{python_files}
 %license LICENSE