Polish

Analysis/plot_eddy_contours.py

@@ -29,6 +29,8 @@ from matplotlib import animation, patches
 import f90nml
 
 def select_ishapes(k, k1, ishape_last, reader_extr, window = None):
+    """Select ishapes at date k and in window."""
+    
     assert k >= k1
     
     if k == k1: