Ken, thanks. Here is the result after I tried to run installation for PyYAML. [robot@localhost ~]$ sudo yum install wget cmake PyYAML [sudo] password for robot: Setting up Install Process Package wget-1.12-2.fc11.i586 already installed and latest version Package cmake-2.6.4-3.fc11.i586 already installed and latest version Package PyYAML-3.08-4.fc11.i586 already installed and latest version Nothing to do Btw, python is ver 2.6.2. Isaac Heracleia lab at UT-Arlington On Tue, Jun 15, 2010 at 9:23 PM, Ken Conley wrote: > Isaac, > > It appears PyYAML did not install correctly. What happens when you run: > > sudo yum install wget cmake PyYAML > > (I'm not a Fedora expert, but that's the line in the install page) > >  - Ken > > On Tue, Jun 15, 2010 at 7:21 PM, Isao Isaac Saito > <130s@2000.jukuin.keio.ac.jp> wrote: >> >> Hi all, >> >> I am stuck at and getting error message below. I'm assuming this is >> resulting in pythonpath setting but I'm not sure since I'm new to it >> yet. I appreciate if anyone gives me an idea. >> >> - Phenomenon >> >> % ~/rosinstall ~/ros http://ros.org/rosinstalls/boxturtle_base.rosinstall >> Traceback (most recent call last): >>  File "/home/robot/rosinstall", line 25, in >>    import yaml # 10Jun15/Isao; rosnstall still stuck here >> ImportError: No module named yaml >> >> >> - Environement >> Redhat Linux version 2.6.29.4 >> gcc version 4.4.1 20090725 (Red Hat 4.4.1-2) (GCC) >> Type of ROS: I'm referring to "Fedora 11 Installation Instructions" >> (http://www.ros.org/wiki/ROS/Installation/Fedora) >> # Using Redhat 2.6 is required the robot >> >> - Workaround tried (all of these didn't have effect) >> W-1. Copy /usr/lib/python2.6/site-packages/yaml/cyaml.py* to >> %HOME_PYTHON%/ . Modify rosinstall to "import cyaml" >> W-2. Copy /usr/share/doc/PyYAML-3.08/examples/pygments-lexer/yaml.py >> to %HOME_PYTHON%/ >> >> - Result of "locate yaml" >> https://docs.google.com/View?id=dfcq779r_271f5bt6gff >> >> Best regards, >> Isaac >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >