Snippets support python error

[jxu]

Using let g:clang_snippets=1 in my vimrc, I get the following error when opening a c file:

Error detected while processing function <SNR>14_ClangCompleteInit:                                                                                                    
line  150:                                                                                                                                                             
Traceback (most recent call last):                                                                                                                                     
  File "<string>", line 1, in <module>                                                                                                                                 
  File "/[user]/.vim/plugin/snippets/clang_complete.py", line 6, in snippetsInit                                                              
    vim.command("noremap <silent> <buffer> <tab> :{} updateSnips()<CR>".format(python_cmd))                                                                            
ValueError: zero length field name in format                                                                                                                           
Press ENTER or type command to continue   

Output of :version:

VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Mar 31 2015 11:14:07)                                                                                                     
Included patches: 1-207, 209-629                                                                                                                                       
Modified by <[email protected]>                                                                                                                                      
Compiled by <[email protected]>                                                                                                                                      
Huge version without GUI.  Features included (+) or not (-):                                                                                                           
+acl             +comments        +ex_extra        +jumplist        -mouseshape      +path_extra      +signs           +textobjects     +writebackup                   
+arabic          +conceal         +extra_search    +keymap          +mouse_dec       +perl            +smartindent     +title           -X11                           
+autocmd         +cryptv          +farsi           +langmap         +mouse_gpm       +persistent_undo -sniff           -toolbar         -xfontset                      
-balloon_eval    +cscope          +file_in_path    +libcall         -mouse_jsbterm   +postscript      +startuptime     +user_commands   -xim                           
-browse          +cursorbind      +find_in_path    +linebreak       +mouse_netterm   +printer         +statusline      +vertsplit       -xsmp                          
++builtin_terms  +cursorshape     +float           +lispindent      +mouse_sgr       +profile         -sun_workshop    +virtualedit     -xterm_clipboard               
+byte_offset     +dialog_con      +folding         +listcmds        -mouse_sysmouse  +python/dyn      +syntax          +visual          -xterm_save                    
+cindent         +diff            -footer          +localmap        +mouse_urxvt     -python3         +tag_binary      +visualextra     -xpm                           
-clientserver    +digraphs        +fork()          -lua             +mouse_xterm     +quickfix        +tag_old_static  +viminfo                                        
-clipboard       -dnd             +gettext         +menu            +multi_byte      +reltime         -tag_any_white   +vreplace                                       
+cmdline_compl   -ebcdic          -hangul_input    +mksession       +multi_lang      +rightleft       -tcl             +wildignore                                     
+cmdline_hist    +emacs_tags      +iconv           +modify_fname    -mzscheme        -ruby            +terminfo        +wildmenu                                       
+cmdline_info    +eval            +insert_expand   +mouse           +netbeans_intg   +scrollbind      +termresponse    +windows                                        
   system vimrc file: "/etc/vimrc"                                                                                                                                     
     user vimrc file: "$HOME/.vimrc"                                                                                                                                   
 2nd user vimrc file: "~/.vim/vimrc"                                                                                                                                   
      user exrc file: "$HOME/.exrc"                                                                                                                                    
  fall-back for $VIM: "/etc"                                                                                                                                           
 f-b for $VIMRUNTIME: "/usr/share/vim/vim74"                                                                                                                           
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H     -O2 -g -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -D_FI
LE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1                                                                                                                
Linking: gcc   -Wl,-E -Wl,-rpath,/usr/lib64/perl5/CORE   -L/usr/local/lib -Wl,--as-needed -o vim        -lm -lnsl  -lselinux  -ltinfo -lacl -lattr -lgpm   -Wl,-E -Wl,-
rpath,/usr/lib64/perl5/CORE  -fstack-protector  -L/usr/lib64/perl5/CORE -lperl -lresolv -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc