Merge branch 'wengao' of ASJ_ADS/sync_amz_data into master

sync_amz_data/public/amz_ad_client.py

@@ -289,7 +289,7 @@ class SPClient(BaseClient):
         url_path = "/v2/sp/targets/bidRecommendations"
         body = {
                 "adGroupId": adGroupId,
-                "expressions": [expressions]
+                "expressions": expressions
                 }
         return self._request(url_path,method="POST",body=body)