Less clutter

Author: cclauss

Diff for: graphs/karger.py

@@ -60,10 +60,7 @@ def partition_graph(graph: Dict[str, List[str]]) -> Set[Tuple[str, str]]:
         for neighbor in uv_neighbors:
             graph_copy[neighbor].append(uv)
 
-        contracted_nodes[uv] = {
-            contracted_node
-            for contracted_node in contracted_nodes[u].union(contracted_nodes[v])
-        }
+        contracted_nodes[uv] = {node for node in contracted_nodes[u].union(contracted_nodes[v])}
 
         # Remove nodes u and v.
         del graph_copy[u]