fix for regression - spurious "Provides-Extra:" generated in metadata

696afcad · wim glenn · 9e554095 · 696afcad
Commit 696afcad authored Mar 16, 2018 by wim glenn
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setuptools/dist.py setuptools/dist.py +2 -1

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--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -89,7 +89,8 @@ def write_pkg_file(self, file):
        )
    if self.provides_extras:
        for extra in self.provides_extras:
-            file.write('Provides-Extra: %s\n' % extra)
+            if extra:
+                file.write('Provides-Extra: %s\n' % extra)
 # from Python 3.4