Error importing xmatch service

[fforster]

from alerce_xmatch import Catalog, TargetCatalog, OutputCols

---

Traceback (most recent call last):

File "/home/fforster/anaconda3/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 2963, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)

File "", line 1, in
from alerce_xmatch import Catalog, TargetCatalog, OutputCols

File "/home/fforster/anaconda3/lib/python3.6/site-packages/alerce_xmatch/init.py", line 1, in
from . import catalog

File "/home/fforster/anaconda3/lib/python3.6/site-packages/alerce_xmatch/catalog.py", line 1
from future import annotations
^
SyntaxError: future feature annotations is not defined