go back to py2
diff --git a/test/test.py b/test/test.py
index b3170dc..32cbad2 100755
--- a/test/test.py
+++ b/test/test.py
@@ -226,7 +226,8 @@
def test_no_32bit(self):
print('test 32-bit error')
emsdk_hacked = hack_emsdk('not is_os_64bit()', 'True')
- failing_call_with_output(f'{sys.executable} {emsdk_hacked} install latest', 'this tool is only provided for 64-bit OSes')
+ failing_call_with_output('%s %s install latest' % (sys.executable, emsdk_hacked),
+ 'this tool is only provided for 64-bit OSes')
os.remove(emsdk_hacked)
def test_update_no_git(self):