MacVim returns the following error when activating minimap with <Leader>mm

[IVXCVI]

Error detected while processing function minimap#ShowMinimap:
line    2:
E216: No such group or event: TextChanged,TextChangedI,BufWinEnter * MinimapUpdate
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/<REDACTED>/.vim/bundle/vim-minimap/autoload/minimap.py", line 85, in showminimap
    setmmautocmd()
  File "/Users/<REDACTED>/.vim/bundle/vim-minimap/autoload/minimap.py", line 59, in setmmautocmd
    vim.command(':autocmd CursorMoved,CursorMovedI,TextChanged,TextChangedI,BufWinEnter * MinimapUpdate')
vim.error

python 2.7.13 is installed via Homebrew. Vim is version 7.3