From 10ad8e0a9e96381e68249f64439b0afdd9e3a452 Mon Sep 17 00:00:00 2001
From: Alinson S Xavier <axavier@anl.gov>
Date: Sat, 22 Feb 2020 22:30:26 -0600
Subject: [PATCH] Make Gurobi the default solver

---
 miplearn/solvers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/miplearn/solvers.py b/miplearn/solvers.py
index 1d5c0fb..54c0024 100644
--- a/miplearn/solvers.py
+++ b/miplearn/solvers.py
@@ -44,6 +44,7 @@ class InternalSolver():
                 solution[str(var)][index] = var[index].value
         return solution        
 
+    
 class GurobiSolver(InternalSolver):
     def __init__(self):
         self.solver = pe.SolverFactory('gurobi_persistent')
@@ -128,7 +129,7 @@ class LearningSolver:
                  components=None,
                  gap_tolerance=None,
                  mode="exact",
-                 solver="cplex",
+                 solver="gurobi",
                  threads=4,
                  time_limit=None,
                 ):