[DEV] add nan in json

client/python/karanage/karanage/connection.py

@@ -170,7 +170,8 @@ class KaranageConnection(KaranageConnectionInterface):
     ) -> KaranageResponse:
         headers = self.update_header(headers)
         url = self.get_url(service, url_offset)
-        ret = requests.post(url, json=data, headers=headers, params=params)
+        headers["Content-Type"] = "application/json"
+        ret = requests.post(url, data=json.dumps(data), headers=headers, params=params)
         try:
             return KaranageResponse(url, ret.status_code, ret.content.decode("utf-8"))
         except requests.exceptions.ConnectionError as ex:

client/python/karanage/version.txt

@@ -1 +1 @@
-0.7.2-dev
+0.7.3-dev

client/python/karanage_tools/version.txt

@@ -1 +1 @@
-0.7.2-dev
+0.7.3-dev