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-rw-r--r--morphlib/app.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/morphlib/app.py b/morphlib/app.py
index c8fe397d..b12b87de 100644
--- a/morphlib/app.py
+++ b/morphlib/app.py
@@ -369,7 +369,7 @@ class Morph(cliapp.Application):
self._write_status(self._commandline_as_message(argv, args))
# Log the environment.
- prev = getattr(self, 'prev_env', {})
+ prev = getattr(self, 'prev_env', os.environ)
morphlib.util.log_environment_changes(self, kwargs['env'], prev)
self.prev_env = kwargs['env']