From db3a0e8e5c490e95c0fdc2442c8a19cb52cf073b Mon Sep 17 00:00:00 2001
From: Fabian Neumann <fabian.neumann@outlook.de>
Date: Fri, 25 Sep 2020 15:18:59 +0200
Subject: [PATCH] travis: all via mamba

---
 .travis.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index f08cd97e..17bdb73a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,8 +20,7 @@ before_install:
   - conda activate pypsa-eur
 
   # install open-source solver
-  - mamba install -c conda-forge glpk
-  - conda install -c conda-forge ipopt
+  - mamba install -c conda-forge glpk ipopt
 
   # list packages for easier debugging
   - conda list