wrong token

INPUT:
```
import spacy
nlp = spacy.load('en')
doc1 = nlp(u"They have killed the bat last night. We were so scared!")
for token in doc1:
    print(token)
```
OUTPUT:
They
have
killed
the
bat
last
night
.
We
we
re
so
scared
the "were" has been tokenized wrongly!