--- /dev/null
+https://github.com/ros-infrastructure/rospkg/pull/90
+
+commit 7be8d9e5ec3c6bffd970e93053078b707879c7b9
+Author: Alexis Ballier <aballier@gentoo.org>
+Date: Tue Oct 13 10:08:42 2015 +0200
+
+ src/rospkg/os_detect.py: Use "string in dict" instead of "dict.has_key(string)" for python3 compatibility.
+
+diff --git a/src/rospkg/os_detect.py b/src/rospkg/os_detect.py
+index 14b57c2..554b607 100644
+--- a/src/rospkg/os_detect.py
++++ b/src/rospkg/os_detect.py
+@@ -150,7 +150,7 @@ class FdoDetect(OsDetector):
+ """
+ def __init__(self, fdo_id):
+ release_info = read_os_release()
+- if release_info is not None and release_info.has_key("ID") and release_info["ID"] == fdo_id:
++ if release_info is not None and "ID" in release_info and release_info["ID"] == fdo_id:
+ self.release_info = release_info
+ else:
+ self.release_info = None