Removed double space in the comment inside get_space_export method (#1489)

Author: aleksvujic

atlassian/confluence.py

@@ -2753,7 +2753,7 @@ def get_atl_request(url: str):
             except Exception as e:
                 raise ApiError("Problems with getting the atl_token for get_space_export method :", reason=e)
 
-        # Checks if space_ke parameter is valid and  if api_token has relevant permissions to space
+        # Checks if space_ke parameter is valid and if api_token has relevant permissions to space
         self.get_space(space_key=space_key, expand="permissions")
 
         try: