pybind/rados: check if BUILD_DOC in os.environ

no need to check if it is in keys()

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/pybind/rados/setup.py b/src/pybind/rados/setup.py
index e7d33025ee958a07cad44becd6f76a836ed7650c..091f1ea2b15662d6253462110394a9a084a5569b 100755 (executable)
--- a/src/pybind/rados/setup.py
+++ b/src/pybind/rados/setup.py
@@ -132,7 +132,7 @@ def check_sanity():
         shutil.rmtree(tmp_dir)
 
 
-if 'BUILD_DOC' in os.environ.keys():
+if 'BUILD_DOC' in os.environ:
     pass
 elif check_sanity():
     pass