[MRG] Cleanup test warnings (#242)

* remove warnings in tests from docstrings

* working tets for bregman implemneted methods

* pep8

1 files changed, 1 insertions, 1 deletions

diff --git a/ot/dr.py b/ot/dr.py
index 11d2e10..b7a1af0 100644
--- a/ot/dr.py
+++ b/ot/dr.py
@@ -109,7 +109,7 @@ def fda(X, y, p=2, reg=1e-16):
 
 
 def wda(X, y, p=2, reg=1, k=10, solver=None, maxiter=100, verbose=0, P0=None):
-    """
+    r"""
     Wasserstein Discriminant Analysis [11]_
 
     The function solves the following optimization problem: