code style

Author: matiasg

tests/test_small_cases.py

@@ -103,6 +103,7 @@ def test_wmap_iterator(small_allocator):
     assert any(ftw['from'] is None and ftw['to'] == 0 for ftw in wmap)
     assert any(ftw['from'] is None and ftw['to'] is None for ftw in wmap)
 
+
 def test_wmap_getitem(small_wmap):
     assert {'from': 'a', 'to': 0, 'weight': 1} in small_wmap['a']
     assert len(small_wmap['a']) == 2
@@ -119,7 +120,6 @@ def test_wmap_getitem(small_wmap):
         small_wmap[0]
 
 
-
 def test_init_allocation_weight(small_allocator):
     sources = small_allocator.sources
     allocation = small_allocator.init_allocation()