Fix LBTC POST message signing

handler/lib/agoradesk_py.py

@@ -58,7 +58,11 @@ class AgoraDesk:
     @inlineCallbacks
     def callback_api_call(self, response, result):
         logger.debug(response)
-        text = yield response.content()
+        try:
+            text = yield response.content()
+        except:  # noqa
+            self.log.error(f"Error with API call")
+            return
         try:
             result["response"] = json.loads(text)
         except json.decoder.JSONDecodeError:

handler/lib/localbitcoins_py.py

@@ -169,7 +169,7 @@ class LocalBitcoins:
                 response = treq.post(
                     api_call_url,
                     headers=headers,
-                    data=json.dumps(query_values),
+                    data=query_values,
                 )
             else:
                 # response = httpx.post(
@@ -581,7 +581,6 @@ class LocalBitcoins:
             params["reference_type"] = reference_type
         if display_reference is not None:
             params["display_reference"] = display_reference
-
         return self._api_call(
             api_method=f"api/ad/{ad_id}/",
             http_method="POST",