use 'callable' to check if object is callable (B004)

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/test_build_html.py b/tests/test_build_html.py
index 3a468df4a..2568bb5b8 100644
--- a/tests/test_build_html.py
+++ b/tests/test_build_html.py
@@ -99,7 +99,7 @@ def check_xpath(etree, fname, path, check, be_found=True):
     else:
         assert nodes != [], ('did not find any node matching xpath '
                              '%r in file %s' % (path, fname))
-    if hasattr(check, '__call__'):
+    if callable(check):
         check(nodes)
     elif not check:
         # only check for node presence