fix a typo in esasky-core
@@ -558,7 +558,7 @@ class ESASkyClass(BaseQuery):
'GET',
product_url,
cache=cache,
- headers=self.get_header())
+ headers=self._get_header())
tar_file.write(response.content)
with tarfile.open(tar_file.name, 'r') as tar:
i = 0
