Test rellated fixes

+ JSON-RPC tests disabled for Odoo 10.0 due to
[issue](odoo/odoo#13694)

.travis.yml

@@ -47,6 +47,7 @@ env:
 
     # There is a bug in Odoo 10.0rc1c on drop database via JSON-RPC
     # So temporary disable tests for json-rpc on odoo-10.0
+    # Odoo issue: https://github.com/odoo/odoo/issues/13694
     #- ODOO_VERSION="10.0"
       #ODOO_RELEASE="10.0rc1c"
       #ODOO_PACKAGE="odoo"

openerp_proxy/connection/jsonrpc.py

@@ -59,7 +59,9 @@ def prepare_method_data(self, *args):
         }
 
     def __call__(self, *args):
-        data = json.dumps(self.prepare_method_data(*args))
+        method_data = self.prepare_method_data(*args)
+        data = json.dumps(method_data)
+
         # Call rpc
         try:
             res = requests.post(self.__url, data=data, headers={
@@ -80,6 +82,7 @@ def __call__(self, *args):
                 "url": res.url,
                 "code": res.status_code,
                 "content": res.text[:2000],
+                "method_data": method_data,
             }
             logger.error("Cannot decode JSON")
             raise JSONRPCError("Cannot decode JSON: %s" % info)

openerp_proxy/tests/test_session.py

@@ -241,7 +241,6 @@ def test_30_del_client(self):
         session.save()
         del session
 
-
         # recreate session
         session = Session(self._session_file_path)