from pattern3.search import search throws IndentationError: expected an indented block error

[Code4SAFrankie]

from pattern3.search import search

throws the error

Traceback (most recent call last):
File "", line 1, in
File "E:\WPy-3710\python-3.7.1.amd64\lib\site-packages\pattern3\text\search.py", line 273
except ImportError:
^
IndentationError: expected an indented block

on

WinPython 3.7.1 (v3.7.1:260ec2c36a, Oct 20 2018, 14:57:15) [MSC v.1915 64 bit (AMD64)] on win32

and on

Ubuntu
Python 3.6.8 (default, Jan 14 2019, 11:02:34)
[GCC 8.0.1 20180414 (experimental) [trunk revision 259383]]

[Code4SAFrankie]

Seems to be due to an empty try block:

def itervalues(self):
    try:
        
    except ImportError:
        imap = map
    return map(self.__getitem__, reversed(self._o))