I had Installed Gurobi 8.0.1 on my Mac (academic). My license expired last moth, so I requested today another license. I downloaded and installed version 8.1.1, after that I ran the grb and I ran an example on Anaconda to check if the license were validated, it worked, but when I run the command Gurobi.sh on a terminal I saw that I had version 8.0.1.
I went to Community on the Gurobi site to see if someone has the same issue, and I found one of the post as "Wrong version installed", the recommendation was that the user must delete all the older version (I had three versions, 702, 751 and 801), I deleted all the three and keeped the 811, but when I ran gurobi.sh on a terminal (or clicked on Gurobi icon) I had this:
Last login: Tue Sep 24 23:43:31 on ttys000
MacBook-Pro-de-Fernando:~ drfernando$ exec gurobi.sh
Python 2.7.10 (default, Feb 22 2019, 21:55:15)
[GCC 4.2.1 Compatible Apple LLVM 10.0.1 (clang-1001.0.37.14)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
Could not open PYTHONSTARTUP
IOError: [Errno 2] No such file or directory: '/Library/gurobi801/mac64/lib/gurobi.py'
What it surprises me is when I run an exemple on anaconda(Spyder) the optimizer works. Finally, I don't know what version I have.
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