fix JsonExporter

diff --git a/linkpair/exporter/json.py b/linkpair/exporter/json.py
index dcde498..2a7b06e 100755 (executable)
--- a/linkpair/exporter/json.py
+++ b/linkpair/exporter/json.py
@@ -17,7 +17,7 @@ class JsonExporter(object):
         json_strings = "{\n"
         linkpair_index = 0
         for linkpair in self._linkpairs:
-            linkpair_json = "\"lp_" + str(linkpair_index) + "\":"
+            linkpair_json = "\"linkpair_" + str(linkpair_index) + "\":"
             json_strings = json_strings + linkpair_json + linkpair.to_json() + ",\n"
             linkpair_index += 1
         json_strings = json_strings.rstrip(",\n") + "\n}"