Write submission and result JSON as single line so datasets/Arrow can parse large records

submit.py

@@ -57,7 +57,7 @@ def submit_boundary(
             "user": user_state,
         }
         with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as tmp:
-            json.dump(record, tmp, indent=2)
+            json.dump(record, tmp)
             tmp.flush()
             tmp_name = tmp.name
 

utils.py

@@ -52,7 +52,7 @@ def write_results(record, result):
         record['feasibility'] = sum(record['feasibility'])/len(record['feasibility'])
 
     with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as tmp:
-        json.dump(record, tmp, indent=2)
+        json.dump(record, tmp)
         tmp.flush()
         tmp_name = tmp.name