diff --git a/baselines/common/mpi_adam.py b/baselines/common/mpi_adam.py
index fd10bd5..9168e5b 100644
--- a/baselines/common/mpi_adam.py
+++ b/baselines/common/mpi_adam.py
@@ -5,7 +5,7 @@ try:
     from mpi4py import MPI
 except ImportError:
     MPI = None
-    
+
 
 class MpiAdam(object):
     def __init__(self, var_list, *, beta1=0.9, beta2=0.999, epsilon=1e-08, scale_grad_by_procs=True, comm=None):