diff --git a/examples/ebola.py b/examples/ebola.py
index <HASH>..<HASH> 100644
--- a/examples/ebola.py
+++ b/examples/ebola.py
@@ -33,7 +33,7 @@ if __name__ == '__main__':
                         aln = base_name+'.fasta', verbose = 4, dates = dates)
 
     # infer an ebola time tree while rerooting and resolving polytomies
-    ebola.run(root='best', relaxed_clock=False, max_iter=2,
+    ebola.run(root='best', relaxed_clock=False, max_iter=2, long_branch_mode=False,
               resolve_polytomies=True, Tc='skyline', time_marginal="assign")
 
     # scatter root to tip divergence vs sampling date
diff --git a/treetime/gtr.py b/treetime/gtr.py
index <HASH>..<HASH> 100644
--- a/treetime/gtr.py
+++ b/treetime/gtr.py
@@ -1,4 +1,3 @@
-
 #!/usr/local/bin/python
 # -*- coding: utf-8 -*-
 from __future__ import division, print_function
disable long branch mode for ebola