Don't leave a file open in setup.py.

1 files changed, 6 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 8b7a9930..7504879a 100644
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,12 @@ doc = __doc__                   # __doc__ will be overwritten by version.py.
 __version__ = __url__ = ""      # keep pylint happy.
 
 cov_ver_py = os.path.join(os.path.split(__file__)[0], "coverage/version.py")
-exec(compile(open(cov_ver_py).read(), cov_ver_py, 'exec'))
+_version_file = open(cov_ver_py)
+try:
+    exec(compile(_version_file.read(), cov_ver_py, 'exec'))
+finally:
+    _version_file.close()
+    del _version_file
 
 doclines = (doc % __url__).splitlines()
 classifier_list = classifiers.splitlines()