William Hart

Note that this issue blocks the use of MatPlotLib using a virtual Python environment. IMHO, this makes this ticket a big deal. I like carljm's suggestion of putting the fix...

@jsiirola I seem to recall discussing with you that this example would sit better as a contrib package. Do you recall?

Do we really want a pyomo.contrib.examples sub-package? I hadn't thought of that, and I'm inclined to use a simpler directory structure.

@jsiirola That's an interesting idea. But would the result be a bunch of set objects that are associated with deleted constraints?

I agree that using unique component names is a reasonable fix to get things working, but the accumulation of temporary sets is an undesirable side-effect of component deletion. That requires...

I get a lot of warnings like the following: cmaes.cpp:233:16: warning: ISO C++11 does not allow conversion from string literal to 'char *' [-Wwritable-strings] t->version = "3.11.00.beta"; I don't get...

That's definitely worth exploring. Alternatively, you can use 'extern "C"' blocks to treat code as C.

@ZedongPeng We are not actively working on a SCIP persistent interface, but we have plans to work on this over the winter.

I'm not sure I understand the logic of adding a warning. I'm working in a context where my home directory is symlinked, and I don't get to work around that....

@jsiirola @blnicho I recall discussing this PR, but we didn't add TODOs in the PR. Do you recall what changes we wanted to make?