diff --git a/.gitignore b/.gitignore
index 9607588..2f6ed10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ test_1.py
 test1.json
 test2.json
 test3.json
+result0.png
diff --git a/PyCTBN/PyCTBN/structure_graph/trajectory_generator.py b/PyCTBN/PyCTBN/structure_graph/trajectory_generator.py
index 6c7662a..8b00186 100644
--- a/PyCTBN/PyCTBN/structure_graph/trajectory_generator.py
+++ b/PyCTBN/PyCTBN/structure_graph/trajectory_generator.py
@@ -18,8 +18,6 @@ class TrajectoryGenerator(object):
         for v in self._vnames:
             self._parents[v] = self._importer._df_structure.where(self._importer._df_structure["To"] == v).dropna()["From"].tolist()
 
-        print(self._parents)
-
         self._cims = {}
         sampled_cims = self._importer._raw_data[0]["dyn.cims"]
         for v in sampled_cims.keys():
diff --git a/PyCTBN/PyCTBN/utility/json_exporter.py b/PyCTBN/PyCTBN/utility/json_exporter.py
index a264675..1fbcccb 100644
--- a/PyCTBN/PyCTBN/utility/json_exporter.py
+++ b/PyCTBN/PyCTBN/utility/json_exporter.py
@@ -13,12 +13,12 @@ class JsonExporter(object):
         self._trajectories.append(trajectory)
 
     def out_json(self, filename):
-        data = {
+        data = [{
             "dyn.str": self._dyn_str,
             "variables": self._variables,
             "dyn.cims": self._dyn_cims,
             "samples": self._trajectories
-        }
+        }]
 
         path = os.getcwd()
         with open(path + "/" + filename, "w") as json_file: