OR-1 dataflow CPU sketch

fix: remove unused IRGraph import from graph_json.py

Orual a2be5a71 0d3b8d23

+1 -1
+1 -1
dfgraph/graph_json.py
··· 10 10 11 11 from cm_inst import Addr 12 12 from asm.ir import ( 13 - IRGraph, IRNode, IREdge, IRRegion, RegionKind, 13 + IRNode, IREdge, IRRegion, RegionKind, 14 14 SourceLoc, ResolvedDest, 15 15 collect_all_nodes_and_edges, 16 16 )