proper definition of all dor lp

Author: rflamary

ot/lp/__init__.py

@@ -18,6 +18,8 @@
 from ..utils import parmap
 from .cvx import barycenter
 
+__all__=['emd', 'emd2', 'barycenter', 'cvx']
+
 
 def emd(a, b, M, numItermax=100000, log=False):
     """Solves the Earth Movers distance problem and returns the OT matrix