cleanup pyflakes issue #23

Author: rflamary

examples/demo_OTDA_classes.py

@@ -3,7 +3,6 @@
 demo of Optimal transport for domain adaptation
 """
 
-import numpy as np
 import matplotlib.pylab as pl
 import ot
 

examples/demo_barycenter_1D.py

@@ -9,9 +9,8 @@
 import matplotlib.pylab as pl
 import ot
 
-from mpl_toolkits.mplot3d import Axes3D
 from matplotlib.collections import PolyCollection
-from matplotlib.colors import colorConverter
+
 
 #%% parameters
 

ot/optim.py

@@ -6,7 +6,6 @@
 import numpy as np
 from scipy.optimize.linesearch import scalar_search_armijo
 from .lp import emd
-from .bregman import sinkhorn_stabilized
 from .bregman import sinkhorn
 
 # The corresponding scipy function does not work for matrices
@@ -261,7 +260,7 @@ def gcg(a,b,M,reg1,reg2,f,df,G0=None,numItermax = 10,numInnerItermax = 200,stopT
 
     See Also
     --------
-    ot.optim.cg : conditional gradient 
+    ot.optim.cg : conditional gradient
 
     """