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-rw-r--r--apt/auth.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/apt/auth.py b/apt/auth.py
index eff13b1a..c1b8da2a 100644
--- a/apt/auth.py
+++ b/apt/auth.py
@@ -78,7 +78,8 @@ def _call_apt_key_script(*args, **kwargs):
stderr=subprocess.PIPE)
content = kwargs.get("stdin", None)
- if isinstance(content, unicode):
+ # py2 needs this encoded, py3.3 will crash if it is
+ if isinstance(content, unicode) and sys.version_info[:2] < (3, 3):
content = content.encode("utf-8")
output, stderr = proc.communicate(content)