Does not work with ATP plugin

[texasflood]

With the Automatic Latex plugin for vim, any command leads to this error:

Error detected while processing function <SNR>18_VCalc_REPL:
line   11:
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "<string>", line 6, in repl
  File "/home/user/.vim/plugin/vimcalc.py", line 258, in parse
    lineNode = line(tokens)
TypeError: 'str' object is not callable