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-rw-r--r--src/focaccia/parser.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/focaccia/parser.py b/src/focaccia/parser.py
index c37c07a..e79d1c1 100644
--- a/src/focaccia/parser.py
+++ b/src/focaccia/parser.py
@@ -81,7 +81,7 @@ def serialize_snapshots(snapshots: Trace[ProgramState], out_stream: TextIO):
             })
         res['snapshots'].append({ 'registers': regs, 'memory': mem })
 
-    json.dump(res, out_stream)
+    json.dump(res, out_stream, indent=4)
 
 def _make_unknown_env() -> TraceEnvironment:
     return TraceEnvironment('', [], [], '?')