Add 'DELETE' to 'git-obs api' allowed methods

osc/commands_git/api.py

@@ -15,7 +15,7 @@ class ApiCommand(osc.commandline_git.GitObsCommand):
         self.add_argument(
             "-X",
             "--method",
-            choices=["GET", "HEAD", "POST", "PATCH", "PUT"],
+            choices=["GET", "HEAD", "POST", "PATCH", "PUT", "DELETE"],
             default="GET",
         )
         self.add_argument(

osc/gitea_api/connection.py

@@ -127,7 +127,7 @@ class Connection:
         if self.login.token:
             headers["Authorization"] = f"token {self.login.token}"
 
-        if json_data:
+        if json_data and isinstance(json_data, dict):
             json_data = dict(((key, value) for key, value in json_data.items() if value is not None))
 
         body = json.dumps(json_data) if json_data else None