Use filter

ae9709b3 · Jason R. Coombs · 7d34b2d7 · ae9709b3
Commit ae9709b3 authored Feb 10, 2018 by Jason R. Coombs
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Showing with 13 additions and 14 deletions

pkg_resources/__init__.py pkg_resources/__init__.py +13 -14

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--- a/pkg_resources/__init__.py
+++ b/pkg_resources/__init__.py
@@ -2693,8 +2693,7 @@ class Distribution(object):
        environment markers and filter out any dependencies
        not matching the markers.
        """
-        for extra in list(dm):
-            if extra:
+        for extra in list(filter(None, dm)):
            new_extra = extra
            reqs = dm.pop(extra)
            if ':' in extra: