Merge branch '380-initialization-of-damask-orientation' into 'development'

manual definition of arguments

Closes #380

See merge request damask/DAMASK!1021

Author: dmentock

python/damask/_crystal.py

@@ -1301,7 +1301,7 @@ def relation_operations(self,
         o_p = np.stack((o.to_frame(uvw=o_p[:,0] if o_l != 'hP' else util.Bravais_to_Miller(uvtw=o_p[:,0])),
                         o.to_frame(hkl=o_p[:,1] if o_l != 'hP' else util.Bravais_to_Miller(hkil=o_p[:,1]))),
                         axis=-2)
-        return (o_l,Rotation.from_parallel(a=m_p,b=o_p,active=True))
+        return (o_l,Rotation.from_parallel(source=m_p,target=o_p,active=True))
 
 
     def Schmid(self, *,