travis: ipopt 3.13.3 does not provide windows executables

https://github.com/conda-forge/ipopt-feedstock/issues/55
2020-12-04 18:44:34 +01:00 · 2020-12-04 18:44:34 +01:00 · 1baa309252
commit 1baa309252
parent f563b612e4
1 changed files with 1 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -24,7 +24,7 @@ before_install:
  - conda activate pypsa-eur

  # install open-source solver
-  - mamba install -c conda-forge glpk ipopt
+  - mamba install -c conda-forge glpk ipopt<3.13.3

  # list packages for easier debugging
  - conda list